31 Answered Questions for the topic Proportion


What is the proportion

It is estimated that the mean life span of concrete drill bits is 20 hours. Suppose a construction company purchases drill bits that have a lifespan that is approximately normally distributed with... more
Proportion 6th Grade Ratios Ratio


An automobile assembly line finishes 3 cars every 2 hours.

1.How many cars are finished each hour?2.Determine approximately how long it takes to finish 1 car.3.If it takes 2 hours to finish 3 cars, how many hours does it take to finish..a) 6 cars? ... more
Proportion Statistics


S†atistics: Proportion

At Cityville High School, 36% of the students participate in sports, 36% of the students participate in academic clubs, and 13% of the students participate in both sports and academic clubs.Find... more
Proportion Prealgebra


how tall is the tree

Phil, Melissa,​ Noah, and Olivia saw a tall tree that cast a shadow 4242 feet long. They observed at the same time that a 55​-foot-tall person cast a shadow that was 10.510.5 feet long. How tall is... more


proportion question

Professor Schaben has a ratio of passing students to failing students of 5 to 4. One semester, she had a total of 216 students. Use a proportion to show many students passed and how many failed.... more
Proportion Rate Unit Rate


My mom walks 5/6 of a yard every minute.what is my mom rate in yard per minute

My grandma walks 5/6 of a yard every 4/12 minute what is my grandma rate in yards per minute


A car travelling at 30km/h complete a journey in 2 1/2 hour. How long will it take to complete the same journey if the speed is decreased to 20 km/ h

How to solve inverse proportion using average speed and distance. For primary 5 ratio and proportion


if mikayla drove 19 miles in 18 minutes along a highway stretch approximately how far did she drive in 90 minutes along the same stretch?

i feel like the answer i get is wrong



A piece of land is to be divided between two men in the ratio 5:9 what fraction of the second lose if the land is divided instead in ratio 9:5..


A. What percent of 90 is 3? B. 5% of what number is 10?

A. What percent of 90 is 3?   B. 5% of what number is 10?


Please help fast in solving this question.

If y is the mean proportion of x and z , then the mean proportion of (x2+y2) and (y2+z2) is Options: 1.xz+yz 2.xy-yx 3.xy+yz 4.yz-zx


If I have to read 367 pages in 21 days how many pages will I have to read in a day


Scales and Diagram

When making a photocopy of a 10 cm by 15 cm photograph, Elizabeth enlarged the picture by a scale factor of 150%. By what percent was the area of the photograph enlarged?

Confidence Intervals

In a Harris Poll of 412 HR professionals, 85.3% said that the job applicants appearance is most important for a good impression. Construct a 94% Confidence Interval for the True population... more
Proportion Math Proportions Time



Nuala drives to her grandma’s. She drives at 20 miles per hour . The journey takes 50 minutes. How long would the journey take if if Nuala drove at 40 miles per hour?

Please help, thanks!

If A is directly proportional to C and B is directly proportional to C, prove that each of the following is directly proportional to C.    a) A+B b) A–B c)√AB


some people want to comapre the proportion of high school boys that smoke cigarettes to the proportion of high school girls that smoke cigarettes.

some people want to comapre the proportion of high school boys that smoke cigarettes to the proportion of high school girls that smoke cigarettes. use the data below to test the claim that the... more


How much would you pay with the discount

You want to buy a coat listed at $54.50, but you can get a 15% off. How much would you pay with the discount


Too long but its here vvvvvv

A skydiver jumps out of an airplane. After0.8 second, she has fallen 100 feet. After 3.1 seconds, she has fallen500 feet. Emtiaz says that the skydiver should fall about 187.5 feet in1.5 seconds.... more
Proportion Math Math Help


set up a proportion and solve

a) One gallon is equivalent to 3.78541 liters. If a fish tank holds 10.2 gallons, how many liters will the tank hold? b) Jon A. Gold picked 4 more bushels of apples than Mac N. Tosh. If Jon picked... more


The total bill excluding tax,is $22. If tax on the meal is 6% and if a 20% tip is left on the $22 total bill,then the total amount paid for the meal is?

Came up with two answers not surewhich one is right.


P-Value of of Propotion

A poll taken just prior today finds that 389 of 700 registered voters intend to vote for Jake Anderson for mayor. We want to test Ho: q=0.5 where q represents the proportion of all voters who... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.


Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.