fraction

Michelle can paint one car in 2 hours. It takes Tyler 3 hours to paint the same car while Colton takes 6 hours to paint the car. If they all work together, how long will it take them to paint the car? Setup unit rates: Michelle can paint 1/2 of the car in one hour Tyler can paint 1/3 of the...

It takes a crew of 4 painters 12 hours one house. If they wanted to paint the house in 8 hours, how many additional painters must they hire? It takes one painter 4 * 12 hours = 48 hours to paint the house. Now we calculate the unit rate: 48 hours / 8 hours = 6 painters 6 painters - 4 original...

Three people can pick all the apples from 5 trees in 5 hours. How long will it take 5 people to pick all the apples from the 5 trees? Three people * 5 hours= 15 hours 15 hours / 5 people = 3 hours

A box of goldfish food can feed 3 fish for 4 weeks. How long will the box last if there are 7 goldfish? 4 weeks = 7 * 4 = 28 days One box = 3 fish * 28 days = 84 days 84 days / 7 goldfish = 12 days

If 12 workers can dig a tunnel in 100 days, how long will it take 20 workers to dig the tunnel? If one person dug the tunnel, it would take 100 days * 12 workers = 1,200 days. 1200 days / 20 workers = 60 days

Luke and 5 friends packed enough food for a 2-week canoe trip. If one extra person decided to go on the trip at the last minute, how long will the food last? Luke and 5 friends = 6 people. 2 weeks = 14 days, so the food lasts 6 people * 14 days = 84 days One extra person on the trip means 6...

When Mike uses a riding mower, it takes him 3 hours to mow his lawn. When he uses a push mower, it takes him 6 hours to mow the lawn. (His sister also can mow the lawn with the push mower in 6 hours.). Mike wanted to get the lawn mowed as quickly as possible, so he paid his sister $10 to mow...

It takes Deanna 7 hours to paint a fence. Who fraction of the fence does she paint in one hour? 7 hours for 1 fence = 1/7 of the fence per hour

If it takes 7 people 3 hours to dig a 50 cubic foot hole, how long will it take two people to dig the hole? 7 people * 3 hours = 21 hours per person 21 hours per person / 2 people = 10.5 hours

If it takes 3 people 4 hours to clean a warehouse, how long will it take 4 people to clean the warehouse? 3 people * 4 hours = 12 hours per person 12 hours per person / 4 people = 3 hours

After an explosion of an oxygen tank, three astronauts were forced to move into the lunar lander that was attached to their spacecraft. If the lunar lander had enough oxygen to last 2 people for 6 days, is there enough oxygen for 3 astronauts if their journey back to earth will take 4 days? 2...

It takes 5 workers 12 hours to unload one truck. How long would it take 6 workers to unload the truck? 5 workers * 12 hours = 60 hours for one worker. 60 hours for one worker / 6 workers = 10 hours

john had 27 sweets. he gave 2/3 of his sweets to mary and kept the rest for himself. Mary has 2/3 * 27 = 18 John has 27 - 18 = 9

If 9/20 of a salad is eaten, how much is leftover? The full salad is 1. Using a common denominator, we have 1 = 20/20 So the leftover is 20/20 - 9/20 = 11/20

show how 6 people could share 4 sandwiches. 4/6 = 2/3 Cut each of the 4 sandwiches in 3 pieces. this gives us 4 * 3 = 12 Each person gets 2 of the 12 slices because 12 * 2/3 = 6

convert 5 minutes to hours expressing your answer as a fraction in its lowest terms 1 hour has 60 minutes, so we have: 5/60 Using our fraction simplifier, we get: 1/12

9 /11 as a decimal rounded to 3 decimal places Typing in 9/11 to decimal, and rounding to 3 decimal places we get: 0.818

What is 1/3 as a decimal rounded to 3 decimal places? 1/3 = 0.3333333 Rounded to 3 decimal places, we get: 1/3 = 0.333

mark has a drawer full of 12 yellow baseball caps and 18 white baseball caps. What is the probability of the next cap he chooses at random will be yellow? P(yellow) = yellow caps / Total caps P(yellow) = 12/(12 + 18) P(yellow) = 12/30 Simplifying this fraction, we get: P(yellow) = 2/5

175 out of 200 students have a cell phone. What fraction of the students have a cell phone? 175 out of 200 can be written as: 175/200 This can be simplified, so we type it in our math engine and we get: 7/8