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

Tutors Answer Your Questions about percentage (FREE)

Question 216577: the total cost of a dress is $41.85, after applying the 8% sales tax. What is the cost of the dress before the sales tax? I know the answer is$38.75, but I don;t know how to find out the answer. thank you!
Click here to see answer by solver91311(16885)

Question 216666: 30 students is 60% of how many students?

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Question 216979: if p is 40% of q then q is what percent of p?
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Question 217743: what percentage of 300 is 40?
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Question 218857: A company recently downsized it number of employees by 30%, If there are still 70 employees, how many employees were there prior to the layoffs? Correct answer is 100 employees, but how do you solve?
Thank you

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Question 218988: 15 is what % of 5000
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Question 219129: how do i find the what percent 10,383 is from 581,429?
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Question 219175: What percent of 76 is 19
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Question 219147: Mary makes three invetments. The investment that pays 12% is twice the amount o the account that pays 9%. The amount invested at 10% is $500 more than the amount invested at 9%. If the annual interest income is $1555, how much money is invested at each rate?
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Question 219961: Please show me how to set this percentage question up.
Find the original price of a pair of shoes if the sale price is $36.00 after a 60% discount. What is the original price of the shoes?
I have tried 36 x .30(30%)?
I am not sure how to set it up? Thank you
Click here to see answer by rfer(12660)

Question 220453: alright, so I am doing a pie chart for grade 9 geography and I don't know how to get my data into percentages for the pie chart. my data numbers are,
-544
-110
-81
how do I fit these into a pie chart
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Question 220707: is there a simpler way to explain this to me cause im still confused?????????
Click here to see answer by jim_thompson5910(28595)

Question 220611: if 40 is decreased to 35, the decrease is what percent of the original number?
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Question 220611: if 40 is decreased to 35, the decrease is what percent of the original number?
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Question 220945: What percent larger than 8 √2 is 12 √2
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Question 221218: how do you find the perimeter of an equation?
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Question 221218: how do you find the perimeter of an equation?
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Question 222108: [longjonsilver(2297)]How can you possibly show a tutorial where you solve the following problem:
What percentage of 200 is 34?
With the answer of:
solution: (34/200) * 100 = 68%
How can the answer possibly be 68% when 100 is only 50% of 200?
34/200= .17 multiplied by 100 equals 17%!!!
Click here to see answer by checkley77(12569)

Question 222342: how do i change a fraction into a percentage?
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Question 222435: the price of a coat after a discount of 25% became $117. What was the price of the coat before discount?
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Question 222481: Amy paid $80.83 for a pair of running shoes during a 15% off sale. What was the regular price?
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Question 222530: The price of shoes was 63.51 @ 35% off. What was the original price?
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Question 222516: 57 is what percent of 30
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Question 222556: Calculate the following equation.
10000=500(1+R/100)^25
I know that this question seems really simple, but actually I don't know the way to calculate it. So I request you to explain me everything in details.It would be a great pleasure for me. Thankyou very much indeed.
Click here to see answer by ankor@dixie-net.com(15652)

Question 223487: help!!!. A pro shop in a bowling alley drops the price of bowling balls 24% to a sale price of $134.20. What was the original price?
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Question 224007: Please help me with this percentage word problem. Amy paid $72.25 for a pair of running shoes during a 15%-off sale. What was the regular price?

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Question 224231: A chemist has two large containers hydrochloric acid (HCl) solution. The concentrations of the acid is different in the two containers. She blends 10 mL of the first solution with 90 mL of the second solution to obtain a solution that is 15.15.% acid. She blends 100 mL of the first solution with 150 mL of the second solution to obtain a solution that is 15.60.% acid. What are the concentrations of hydrochloric acid in the original containers?

what is the % of HCl solution in first solution?

what is the % of HCl solution in second solution?
Click here to see answer by ankor@dixie-net.com(15652)

Question 224565: 3200 is 20% of a. What is a equal to?
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Question 225478: How do figure out the percentage for a pie graph using a protractor?
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Question 225457: Community Coffee Company wants a new flavor of Cajun Coffee. How many pounds of cofee worth $7 a pound should be added to 14 pounds of coffee worth $4 a pound to get a mixture worth $5 a pound?
And there is this chart i have to fill in
Click here to see answer by checkley77(12569)

Question 226128: a rake is priced $9.00 it is on sale for 30% off. how much will you save?
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Question 226831: 5 1/4% of what is 21?
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Question 227474: eight is what percent of 40?
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Question 227462: 42 is 25% less than what
i need to know the equasion
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Question 227551: What is the formula to determine a percentage increase of a given number.
For example: an insurance premium is $549.37, it renews at $595.21, by what percentage did it increase?
Click here to see answer by checkley77(12569)

Question 227601: 582 is 13.6 % of what number?
This is what I got:
582 x .136 = x
x = 79.152
Is this correct?

Click here to see answer by rapaljer(4667)

Question 228194: Problem
The instructor has learned that for the 30 students in her afternoon class, the ratio of student who do not own a computer to those who do is 2 to 1. How many students in the class own their own computer?

Click here to see answer by user_dude2008(1861)

Question 228620: an aircraft uses 1680 gallons of fuel,the left tank used 45%,the right tank used 32.5%.how nuch was used by centre tank?
Click here to see answer by jim_thompson5910(28595)

Question 229025: Mustafa just turned 22 and wants to have 10,000 saved by his thirtieth bday. Assuming no additional deposits, if he currently has 6,000 in an intermediate term bond fund earning a 5% yield, will he reach his goal? If not what rate of return is required to meet his goal.
Click here to see answer by stanbon(57347)

Question 229571: change each percent to a fraction. simplify when necessary. 2/3%
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Question 229704: A jacket that regularly sells for a price of $55 is on sale for 20% off. The sales tax on the jacket is 7%. What is the final cost of the jacket?
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Question 229771: a product normally retails for $40.00 and i receive a $10 discount, what percentage discount?
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Question 230150: if i have a 68% and i turn in a 20 point project and i get a 100% what would that raise my grade too?
Click here to see answer by Theo(3464)

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