Questions on Algebra: Percentage and Pie Charts answered by real tutors!

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Question 153947: If a pie has 12 slices, and 1/4 of them are eaten, what percentage of the pie remains?: If a pie has 12 slices, and 1/4 of them are eaten, what percentage of the pie remains?
Click here to see answer by Fombitz(1256)

Question 153948: If you have a bowl of mashed potatoes, and your brother eats 20% of the bowl before dinner, how much is left for the rest of the family?: If you have a bowl of mashed potatoes, and your brother eats 20% of the bowl before dinner, how much is left for the rest of the family?
Click here to see answer by orca(202)

Question 153656: mr. white saved $30 by taking advantage of a 12% reduction on a television set. what would have been the price without the discount?: mr. white saved $30 by taking advantage of a 12% reduction on a television set. what would have been the price without the discount?
Click here to see answer by orca(202)

Question 153239: what percent of one u.s. dollar is $.25?: what percent of one u.s. dollar is $.25?
Click here to see answer by jim_thompson5910(8193)

Question 153239: what percent of one u.s. dollar is $.25?: what percent of one u.s. dollar is $.25?
Click here to see answer by mangopeeler07(423)

Question 153020: A certin sum of money is invested at 10%. Twice that amount is invested at 8%. The total amount of intrest from both investments is $91. How much is invested at 8%.: A certin sum of money is invested at 10%. Twice that amount is invested at 8%. The total amount of intrest from both investments is $91. How much is invested at 8%.
Click here to see answer by nerdybill(417)

Question 152963: the edge tickets is offering 5% off the price of tickets to diving events. a category a ticket to the mens 3 meter spring board finals is $420. how much would 4 tickets to that event cost after the discount?: the edge tickets is offering 5% off the price of tickets to diving events. a category a ticket to the mens 3 meter spring board finals is $420. how much would 4 tickets to that event cost after the discount?
Click here to see answer by jojo14344(320)

Question 152776: The sales price of a car is $12,590, which is 20% off the original price. What is the original price?
: The sales price of a car is $12,590, which is 20% off the original price. What is the original price?

Click here to see answer by oscargut(438)

Question 152362: How do you convert a fraction to a percent?: How do you convert a fraction to a percent?
Click here to see answer by ankor@dixie-net.com(3894)

Question 152352: how do i work a reverse percentage...for example, if i multiply .085% by 100, i get 8.5...how do reverse calculate this equation to get back to 100, if i didn't know that 100 was the original number the percentage was calculated from?: how do i work a reverse percentage...for example, if i multiply .085% by 100, i get 8.5...how do reverse calculate this equation to get back to 100, if i didn't know that 100 was the original number the percentage was calculated from?
Click here to see answer by jojo14344(320)

Question 151784: I havae performed 1241 glucoses for 1 month. 289 glucoses were audited for errors. 12 errors were found out of the 289 glucoses audited. What is the percentage of error for thel month? would it be 1241x289/12: I havae performed 1241 glucoses for 1 month. 289 glucoses were audited for errors. 12 errors were found out of the 289 glucoses audited. What is the percentage of error for thel month? would it be 1241x289/12
Click here to see answer by checkley77(1571)

Question 151723This question is from textbook elementary and intermediate algebra concepts and applications
: Here is what I came up with for an answer I was just wondering if I did it right?
$32.00 x 3=$96.00
$99.84 - $96.00 = $3.84/3 = $1.28 per pair
8. A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate? This question is from textbook elementary and intermediate algebra concepts and applications
: Here is what I came up with for an answer I was just wondering if I did it right?
$32.00 x 3=$96.00
$99.84 - $96.00 = $3.84/3 = $1.28 per pair
8. A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
Click here to see answer by ankor@dixie-net.com(3894)

Question 151690: I tried to set this up numerous ways and was not coming up with anything I could use.
How many milliliters of a 50% saline solution must be mixed with 60 milliliters of a 15% saline solution to obtain a 40% saline solution?: I tried to set this up numerous ways and was not coming up with anything I could use.
How many milliliters of a 50% saline solution must be mixed with 60 milliliters of a 15% saline solution to obtain a 40% saline solution?
Click here to see answer by nerdybill(417)

Question 151585: How do i represent the query below as a sum?
if 60 is = to 60% of ?, then 40% is = 40: How do i represent the query below as a sum?
if 60 is = to 60% of ?, then 40% is = 40
Click here to see answer by vleith(954)

Question 151527: what percent of 400 is 320: what percent of 400 is 320
Click here to see answer by jim_thompson5910(8193)

Question 151284: If i perform 1,214 glucoses for a month. I review 289 glucoses of the 1,214 and found 12 errors. What is my percentage of error?: If i perform 1,214 glucoses for a month. I review 289 glucoses of the 1,214 and found 12 errors. What is my percentage of error?
Click here to see answer by jojo14344(320)

Question 151285: OK I didn't do well in Algebra and maybe someone can help... I feel like a retard.
I need a formula for MS Excel that can calculate a percentage based on cost vs sale.
Example:
Cost = $1478.00 --- Sale = $1950.00 --- Profit = $472.00
I need an formula that I can have MS Excel to compute what the % of profit was made.
Thanks in advance for your help!: OK I didn't do well in Algebra and maybe someone can help... I feel like a retard.
I need a formula for MS Excel that can calculate a percentage based on cost vs sale.
Example:
Cost = $1478.00 --- Sale = $1950.00 --- Profit = $472.00
I need an formula that I can have MS Excel to compute what the % of profit was made.
Thanks in advance for your help!
Click here to see answer by scott8148(2448)

Question 150615: For the 20 test scores shown, find the percentile rank for a score of 86.
75
63
92
74
86
50
77
82
98
65
71
89
75
66
87
59
70
83
91
73
Help!: For the 20 test scores shown, find the percentile rank for a score of 86.
75
63
92
74
86
50
77
82
98
65
71
89
75
66
87
59
70
83
91
73
Help!
Click here to see answer by Edwin McCravy(1784)

Question 150516: What is 33 1/3 % of 18.
The answer is 5.994: What is 33 1/3 % of 18.
The answer is 5.994
Click here to see answer by christopherbenner(2)

Question 150230: plz help me out and explain this equation to me

Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450? : plz help me out and explain this equation to me

Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450?
Click here to see answer by mangopeeler07(423)

Question 150103: A student claims that if a price is now 220% more than it was before, then it is 320% of what it was before, and what it was before is 31.25% of what it is now. Do you agree? Explain your answer.

Im sorry, but i really don't get this question. =[: A student claims that if a price is now 220% more than it was before, then it is 320% of what it was before, and what it was before is 31.25% of what it is now. Do you agree? Explain your answer.

Im sorry, but i really don't get this question. =[
Click here to see answer by kev82(130)

Question 149933: Hello, I'm Taylor Cohron and I can't figure ou the following math problem:
A store sells a bike for 67.50. The profit is 35% of the cost. How much is the cost?: Hello, I'm Taylor Cohron and I can't figure ou the following math problem:
A store sells a bike for 67.50. The profit is 35% of the cost. How much is the cost?
Click here to see answer by Alan3354(481)

Question 149611: Principle Rate Time
$400 14% 1yr
Please find the simple interest and simplify: Principle Rate Time
$400 14% 1yr
Please find the simple interest and simplify
Click here to see answer by checkley77(1571)

Question 149610: b=8c, for c: b=8c, for c
Click here to see answer by vleith(954)

Question 149612: A baseball player gets 12 hits in 40 at bats. What percent are hits and what percents of nonhits.
: A baseball player gets 12 hits in 40 at bats. What percent are hits and what percents of nonhits.

Click here to see answer by jojo14344(320)

Question 149506: How do you convert .72 1/3 into a percent and a decimal. I think it is in fraction form. But I did not consider the decimal in front of 72.: How do you convert .72 1/3 into a percent and a decimal. I think it is in fraction form. But I did not consider the decimal in front of 72.
Click here to see answer by stanbon(17786)

Question 149505: How would you convert .00035 into a percent and a fraction. Percent should be 35%, I'm not sure about the decimal. would it be 35/1000? : How would you convert .00035 into a percent and a fraction. Percent should be 35%, I'm not sure about the decimal. would it be 35/1000?
Click here to see answer by stanbon(17786)

Question 149265: if there is a multiple choice test which consist of 80 questions, what is the percentage if 54 of those questions were correct?: if there is a multiple choice test which consist of 80 questions, what is the percentage if 54 of those questions were correct?
Click here to see answer by nerdybill(417)

Question 148952: Hello to the person reading this the topic I picked was the closest one to the actual. My question is a word problem. Here it is "Alisha bought a shirt with a marked price of $25.99. If the sales tax was 7%, what was the total price Alisha paid for the shirt?" I need to know how I get the total price. please answer this as soon as possible.
Sincerely, Taylor Cohron: Hello to the person reading this the topic I picked was the closest one to the actual. My question is a word problem. Here it is "Alisha bought a shirt with a marked price of $25.99. If the sales tax was 7%, what was the total price Alisha paid for the shirt?" I need to know how I get the total price. please answer this as soon as possible.
Sincerely, Taylor Cohron
Click here to see answer by Alan3354(481)

Question 148684: Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450.00?: Employees of a discount appliance store receive an additional 20% off of the lowest price on an item. If an employee purchases a dishwasher during a 15% off sale, how much will he pay if the dishwasher originally cost $450.00?
Click here to see answer by stanbon(17786)

Question 147997: the last week of a month a car dealer sold 12 cars. a new sales promotion came out the first week of thee month and sold 19 cars the week. What was the percent increase in sales from the last week of the previous month compared to week of the next month?: the last week of a month a car dealer sold 12 cars. a new sales promotion came out the first week of thee month and sold 19 cars the week. What was the percent increase in sales from the last week of the previous month compared to week of the next month?
Click here to see answer by mangopeeler07(423)

Question 147857: from point a to point b elevation drops 2.6 feet. total distance from a to b is 560 feet.at what percent does this flow.: from point a to point b elevation drops 2.6 feet. total distance from a to b is 560 feet.at what percent does this flow.
Click here to see answer by vleith(954)

Question 147236This question is from textbook introductory algebra
: A company recently downsized its number of employees by 35%. if there are still 78 employees, how many employees wre there prior to the layoffs?This question is from textbook introductory algebra
: A company recently downsized its number of employees by 35%. if there are still 78 employees, how many employees wre there prior to the layoffs?
Click here to see answer by josmiceli(1844)

Question 147212: Please help me setting this equation correctly. Highly appreciated.
A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
x= sales tax rate
x= 99.84-32(3)
x= 99.84-96
x= 3.84 % ????
Thanks for sharing your knowledge.: Please help me setting this equation correctly. Highly appreciated.
A woman buys three pairs of jeans for $99.84, including tax. If each pair of jeans cost $32, what was the sales tax rate?
x= sales tax rate
x= 99.84-32(3)
x= 99.84-96
x= 3.84 % ????
Thanks for sharing your knowledge.
Click here to see answer by mangopeeler07(423)

Question 146968: If you can please help me I wish to learn how to work with Percentages like working out the percentage of one number of another. I;am 76yrs of age and unfotunatly I have forgotten how to work with percentages so if you can help I would appreciate you kind efforts. thanking you kindest Rgards Les : If you can please help me I wish to learn how to work with Percentages like working out the percentage of one number of another. I;am 76yrs of age and unfotunatly I have forgotten how to work with percentages so if you can help I would appreciate you kind efforts. thanking you kindest Rgards Les
Click here to see answer by 24HoursTutor.com(40)

Question 146292: All of the following are ways to write 20 percent of N except:
0.2 N, 20/100N, 1/5N, 20N: All of the following are ways to write 20 percent of N except:
0.2 N, 20/100N, 1/5N, 20N
Click here to see answer by jim_thompson5910(8193)

Question 146170: Write 0.038 as a percent: Write 0.038 as a percent
Click here to see answer by stanbon(17786)

Question 146026This question is from textbook Elementary and Intermediate Algebra
: What was the MSRP for a Hummer H1 that sold for $107,272 after an 8% discountThis question is from textbook Elementary and Intermediate Algebra
: What was the MSRP for a Hummer H1 that sold for $107,272 after an 8% discount
Click here to see answer by nerdybill(417)

Question 145509: WHAT IS 15% PROFIT IF A BOAT WAS SOLD FOR 15,000
: WHAT IS 15% PROFIT IF A BOAT WAS SOLD FOR 15,000

Click here to see answer by stanbon(17786)

Question 145428: Jon begins a new job with an annual salary of $42,000 for his first year of employment, a guarantee of a 5% increase each for his second, third and fourth year and a guarantee fo a 20% for his fifth and sixth year. What will be his salary during his sixth year of employment?
This seemed easy enough but not getting the correct answer.: Jon begins a new job with an annual salary of $42,000 for his first year of employment, a guarantee of a 5% increase each for his second, third and fourth year and a guarantee fo a 20% for his fifth and sixth year. What will be his salary during his sixth year of employment?
This seemed easy enough but not getting the correct answer.
Click here to see answer by stanbon(17786)

Question 145423: In a survey of 2.000 people, it was discovered that 47 subscribe to the Sunday paper. What percent subscribe to the Sunday paper?
: In a survey of 2.000 people, it was discovered that 47 subscribe to the Sunday paper. What percent subscribe to the Sunday paper?

Click here to see answer by stanbon(17786)

Question 145248: brett took a loan of $12,000 and paid back a sum of $14,000 after 2 years what is the interest he had to pay.: brett took a loan of $12,000 and paid back a sum of $14,000 after 2 years what is the interest he had to pay.
Click here to see answer by stanbon(17786)