Questions on Algebra: Proportions answered by real tutors!

Algebra ->  Proportions  -> Lessons -> Questions on Algebra: Proportions answered by real tutors!      Log On


   



Tutors Answer Your Questions about Proportions (FREE)


Question 1198795: The pressure (P) on a diver in the water varies directly as the depth (d). If the pressure is 2.25 psi when the depth is 5 ft, what is the pressure when the depth is 12 ft?
Click here to see answer by mccravyedwin(406) About Me 

Question 1198877: an assembly line produces plastic piggybanks that are either pink or blue. On average, 2.4% of the banks contain defects. Of the banks with no defects, 15% were blue. The percentage of all banks produced that are perfect pink piggybanks is
a) 82.6 b) 82.96 c) 85 d) 87.4 e) 95.2

Click here to see answer by math_tutor2020(3816) About Me 
Question 1198877: an assembly line produces plastic piggybanks that are either pink or blue. On average, 2.4% of the banks contain defects. Of the banks with no defects, 15% were blue. The percentage of all banks produced that are perfect pink piggybanks is
a) 82.6 b) 82.96 c) 85 d) 87.4 e) 95.2

Click here to see answer by ikleyn(52776) About Me 

Question 1198917: Tony drives 20000 km in a car that has five tires, four of which are in use at any one time. Tony rotated the tires so that each tire is used the same number of kilometers, The number of kilometers that each tire is used is
Click here to see answer by ikleyn(52776) About Me 
Question 1198917: Tony drives 20000 km in a car that has five tires, four of which are in use at any one time. Tony rotated the tires so that each tire is used the same number of kilometers, The number of kilometers that each tire is used is
Click here to see answer by greenestamps(13198) About Me 

Question 1198918: Toni has 10 identical blue socks, 14 identical green socks, and 4 identical red socks in a drawer. she removes socks from the drawer one at a time at random without looking. The least number of socks that Toni needs to pull out to be sure of having 4 pairs of the same colour is
a) 8 b) 15 c) 16 d) 19 e) 22

Click here to see answer by math_tutor2020(3816) About Me 
Question 1198918: Toni has 10 identical blue socks, 14 identical green socks, and 4 identical red socks in a drawer. she removes socks from the drawer one at a time at random without looking. The least number of socks that Toni needs to pull out to be sure of having 4 pairs of the same colour is
a) 8 b) 15 c) 16 d) 19 e) 22

Click here to see answer by greenestamps(13198) About Me 

Question 1198919: At the theatre there are six seats in a row. Eliot and Doug have three people between them. Chuck sits next to Eliot, but not next to Bob. Andy is on the end, but Eliot isn't. Frank is between a) Bob & Chuck b) Doug & Eliot c) Chuck & Doug d) Andy & Chuck e) Bob & Doug

Click here to see answer by greenestamps(13198) About Me 
Question 1198919: At the theatre there are six seats in a row. Eliot and Doug have three people between them. Chuck sits next to Eliot, but not next to Bob. Andy is on the end, but Eliot isn't. Frank is between a) Bob & Chuck b) Doug & Eliot c) Chuck & Doug d) Andy & Chuck e) Bob & Doug

Click here to see answer by ikleyn(52776) About Me 

Question 1199119: the cost of a pizza varies directly as the square of its radius. If a pizza with a 6 inches' radius cost 180, how much should a pizza with an 11 inches' radius cost?
Click here to see answer by Theo(13342) About Me 
Question 1199119: the cost of a pizza varies directly as the square of its radius. If a pizza with a 6 inches' radius cost 180, how much should a pizza with an 11 inches' radius cost?
Click here to see answer by greenestamps(13198) About Me 

Question 1199979: Britney just got a new video game for her birthday. Yesterday, she played for 27 minutes and beat 3 levels. Today, her parents said she can play for 45 minutes.
If she beats levels at the same rate, how many levels should Britney beat today?

Click here to see answer by ikleyn(52776) About Me 

Question 1200214: Six square feet of a certain kind of brick wall contains 78 bricks. How many bricks are needed for 150 sq ft?
Click here to see answer by Theo(13342) About Me 

Question 1200848: In a car park the ratio of white cars to red cars is 2:5
The ratio of white cars to blue cars is 3:13
Altogether there are 376 white, red and blue cars.
How many red cars are there in the car park?

Click here to see answer by Alan3354(69443) About Me 
Question 1200848: In a car park the ratio of white cars to red cars is 2:5
The ratio of white cars to blue cars is 3:13
Altogether there are 376 white, red and blue cars.
How many red cars are there in the car park?

Click here to see answer by greenestamps(13198) About Me 

Question 1201276:
Click here to see answer by ikleyn(52776) About Me 

Question 1201545: Many convenience stores sell supersize 44 ounce soft drinks in refillable cups.
For each of the products listed, find the amount of caffeine contained in one of the supersize cups. Round to the nearest milligram.
Soft drink 12oz: Caffeine (mg):
Mountain dew 55
Coca Cola 47
Pepsi 37

Click here to see answer by ikleyn(52776) About Me 

Question 1202039: Given a rectangle with a width of
43
cm and a diagonal
228
cm long, what is its length?
Answer: The length is exactly
cm.
What is the length to the nearest tenth of a cm?
Answer: The length is approximately
cm.

Click here to see answer by mananth(16946) About Me 
Question 1202039: Given a rectangle with a width of
43
cm and a diagonal
228
cm long, what is its length?
Answer: The length is exactly
cm.
What is the length to the nearest tenth of a cm?
Answer: The length is approximately
cm.

Click here to see answer by Theo(13342) About Me 

Question 1202148: A rabbit population of 500 was introduced in a certain county of Eagleville. Biologists observe that the population increases 25% each year. Complete the following:
a. Identify a and b.
b. Write an exponential function that models the situation if the trend continues.
c. How many rabbits will be in Eagleville after 10 years?

Click here to see answer by ikleyn(52776) About Me 

Question 1202147: Many convenience stores sell supersize 44 ounce soft drinks in refillable cups. For each of the products listed, find the amount of caffeine contained in one of the supersize cups. Round to the nearest milligram.
Soft drink 12oz: Caffeine (mg):
Mountain dew 55
Coca Cola 47
Pepsi 37

Click here to see answer by ikleyn(52776) About Me 
Question 1202147: Many convenience stores sell supersize 44 ounce soft drinks in refillable cups. For each of the products listed, find the amount of caffeine contained in one of the supersize cups. Round to the nearest milligram.
Soft drink 12oz: Caffeine (mg):
Mountain dew 55
Coca Cola 47
Pepsi 37

Click here to see answer by josgarithmetic(39616) About Me 

Question 1202160: Last year Jose sold a painting for $2000. If he made 25% profit on the sale, how much had he paid for the painting?
Click here to see answer by mananth(16946) About Me 

Question 1202205: If k=0.208, how long will it take a battery to reach a 60% charge? Assume that the battery was fully discharged when it began charging. Round to one decimal place.
Click here to see answer by ikleyn(52776) About Me 

Question 1202595: Sophia prepares a fruit bowl where the weights of strawberries, grapes, and blackberries are in a ratio of 7:6:2, respectively. If these are the only pieces of fruit in the bowl, and the fruit weighs five pounds total, how many pounds of strawberries are used in the bowl?
Click here to see answer by math_tutor2020(3816) About Me 
Question 1202595: Sophia prepares a fruit bowl where the weights of strawberries, grapes, and blackberries are in a ratio of 7:6:2, respectively. If these are the only pieces of fruit in the bowl, and the fruit weighs five pounds total, how many pounds of strawberries are used in the bowl?
Click here to see answer by MathTherapy(10551) About Me 
Question 1202595: Sophia prepares a fruit bowl where the weights of strawberries, grapes, and blackberries are in a ratio of 7:6:2, respectively. If these are the only pieces of fruit in the bowl, and the fruit weighs five pounds total, how many pounds of strawberries are used in the bowl?
Click here to see answer by ikleyn(52776) About Me 
Question 1202595: Sophia prepares a fruit bowl where the weights of strawberries, grapes, and blackberries are in a ratio of 7:6:2, respectively. If these are the only pieces of fruit in the bowl, and the fruit weighs five pounds total, how many pounds of strawberries are used in the bowl?
Click here to see answer by josgarithmetic(39616) About Me 

Question 1202680: Two cars left a station in Bawku and were travelling to Tamale a distance of 135km away. The second car left 30 minutes after the first car had left. If the speed of the second car is 3/2 times as fast as the first car, and the second car got to Tamale 45 minutes before the first car arrived
Calculated the speed of each car

Click here to see answer by ikleyn(52776) About Me 

Question 1202702: If the ratio of(2x-y)to(x+y)is 2:3what is the ratio of x to y
Click here to see answer by ankor@dixie-net.com(22740) About Me 

Question 1202701: If the ratio of(2x_y)to(x+y)is 2:3what is the ratio of x to y
Click here to see answer by ikleyn(52776) About Me 

Question 1110806: The monthly telephone bill has a fixed tariff of Rs 300 for upto 50 outgoing calls. For over 50 calls there is a charge of Rs 1.5 per call. the ratio of bills paid by A and B for a particular month is 3:4 and the number of outgoing calls made by A is 90, then what is the number of outgoing calls made by B?
Click here to see answer by mananth(16946) About Me 
Question 1110806: The monthly telephone bill has a fixed tariff of Rs 300 for upto 50 outgoing calls. For over 50 calls there is a charge of Rs 1.5 per call. the ratio of bills paid by A and B for a particular month is 3:4 and the number of outgoing calls made by A is 90, then what is the number of outgoing calls made by B?
Click here to see answer by greenestamps(13198) About Me 

Question 1128193: bryan bought a new tv for $725 the sales tax is 7% what is the total he paid
Click here to see answer by mananth(16946) About Me 

Question 1202823: ighTech Incorporated randomly tests its employees about company policies. Last year in the 510 random tests conducted, 16 employees failed the test.
a. What is the point estimate of the population proportion that failed the test?
b. What is the margin of error for a 95% confidence interval estimate?
c. Compute the 95% confidence interval for the population proportion.

Click here to see answer by Theo(13342) About Me 

Question 1203087: Equation 1: 6x+3y=24

Equation 2: 2x+9y=-8

Click here to see answer by ikleyn(52776) About Me 
Question 1203087: Equation 1: 6x+3y=24

Equation 2: 2x+9y=-8

Click here to see answer by josgarithmetic(39616) About Me 

Question 1203190: A coworker claims the mean satisfaction rating of ABC employees is 3.2 (on a scale from 1 to 5, where 5 is extremely satisfied). You have reason to believe the mean satisfaction rating of ABC employees, μ, is different from this value and you plan to conduct a statistical test.
What is the null hypothesis, H0, that should be used for the test?
What is the alternative hypothesis, H1, that should be used for the test?

Click here to see answer by math_tutor2020(3816) About Me 

Question 1203225: Amirah and Anusha make a total of 560 toys in the ratio 12:16.
a)Find the number of toys Anusha makes.
b)the amount of money Amirah earns if she is paid PKR 165 for each toy.

Click here to see answer by Theo(13342) About Me 
Question 1203225: Amirah and Anusha make a total of 560 toys in the ratio 12:16.
a)Find the number of toys Anusha makes.
b)the amount of money Amirah earns if she is paid PKR 165 for each toy.

Click here to see answer by greenestamps(13198) About Me 

Question 1203688: At noon, a cargo plane leaves Angama airport and heads towards Bamburi 500 km away at 180 km/h. At 1.00 pm, a jet takes off from Angama and flies on the same course at 450 km/h. What time will the jet overtake the cargo plane?
Click here to see answer by math_tutor2020(3816) About Me 
Question 1203688: At noon, a cargo plane leaves Angama airport and heads towards Bamburi 500 km away at 180 km/h. At 1.00 pm, a jet takes off from Angama and flies on the same course at 450 km/h. What time will the jet overtake the cargo plane?
Click here to see answer by mananth(16946) About Me 

Question 1203724: two number are in the ratio 3:2. if the smaller number is 24, find larger number.

Click here to see answer by MathLover1(20849) About Me 
Question 1203724: two number are in the ratio 3:2. if the smaller number is 24, find larger number.

Click here to see answer by josgarithmetic(39616) About Me 

Question 1204098: 1. A ball is drawn randomly from a jar that contains 6 red balls, 2 white balls, and 5 yellow balls. Find the probability of the given event.
a. The ball is not red.
b. The ball is not white.

Click here to see answer by math_tutor2020(3816) About Me