proportion

A farmer was 1/3 of his land to grow corn, a quarter of his land to grow lettuce, and 12.5% of his land to grow green beans. He uses the remaining 7 acres to grow wheat.How many total acres does the farmer own? Convert all land portions to fractions or decimals. We will do fractions: 1/3 for...

Tamara can proofread 16 pages in 8 minutes. How many minutes will it take her to proofread 108 pages Set up a proportion of pages to minutes: 16 pages/8 minutes = 108 pages / p minutes We want to solve for p. Type 16/8 = 108/p into the search engine. We get p = 54 minutes

How many candles are in a box if 5 boxes have 100 candles? 100 candles per 5 boxes. Set up a proportion: 100 candles/5 boxes = x candles / 1 box Run this proportion through our calculator: 100/5 = x/1 x = 20

the ratio of yellow to red balloons is 2:1 respectively. if there are 7 red balloons, how many yellow balloons are there? 7 red balloons means we have twice as many yellow balloons. So 7 * 2 = 14. Written as a proportion, of yellow to red, we have: 2/1 = y/7 where y is the number of yellow...

A 16 pound roast will feed 24 people. If the largest roast you can buy is 12 pounds. How many people can you feed? Set up a proportion of roast pounds to people fed, where p is the number of people fed on a 12 pound roast: 16/24 = 12/p Run this through our proportion calculator by typing 16/24...

It is recommended that a ladder be placed 2 feet away from the Wall for every 5 feet of height. How far from the Wall should a 20 foot ladder be placed? Set up a proportion: 2ft away from the wall / 5ft = (x)ft away from the wall / 20ft Run this proportion through our calculator by typing...

A girl makes 12 foul shots for every eight that she misses how many shots did you make if she shot 125 foul shots This means she makes 12/20 We want to know x shots, if 12/20 = x/125. Enter this proportion into the search engine to get x = 75

3/5 of workers at a company have enrolled in the 403(b) program. If 24 workers have enrolled in the program, how many workers are employed at this company? We read this as 3/5 of the total workers employed at the company equals 24. Let w be the number of workers. We have the following equation...

The ratio of men to women working for a company is 5 to 3 . If there are 75 men working for the company, what is the total number of employees? We read this as a proportion, of men to women. 5/3 = 75/w where w is the number of women for 75 men. Entering this expression into our...

There is a ratio of 5 girls to 3 boys in the chorus. There are 24 boys in the chorus.How many girls are in the chorus? Set up a proportion of girls to boys: 5/3 = g/24 where g is the number of girls for 24 boys. Typing 5/3 = g/24 into the math tutoring calculator gives us g = 40.

Carly grew 50 plants with 25 seed packets. With 37 seed packets, how many total plants can Carly have in her backyard? Solve using unit rates. Set up a proportion of plants per seed packets where p is the number of plants per 37 seed packets. 50/25 = p/37 Copying and pasting this problem into...

A dress is on sale for $33. This is 3/5 of the regular price. What is the regular price? Original price is p. We have: 3p/5 = 33 Cross multiply using our proportion calculator, we get p = 55.

If 2 ounces goes into 100 gallons how many ounces is needed for 3000 gallons? Set up a proportion of ounces to gallons. We set o as the number of ounces for 3000 gallons. 2/100 = o/3000 Using our proportion calculator, we get o = 60.

Ning prepared 16 kilograms of dough after working 4 hours. How many hours did Ning work if he prepared 28 kilograms of dough? Assume the relationship is directly proportional. Set up a proportion of kilograms of dough to working hours. We have: 16/4 = 28/h where h is the number of hours worked...

Mindy and troy combined ate 9 pieces of the wedding cake. Mindy ate 3 pieces of cake and troy had 1/4 of the total cake. Write an equation to determine how many pieces of cake (c) that were in total Let c be the total number of pieces of cake. Let m be the number of pieces Mindy ate. Let t be...

36 PAGES AND IT 3/8CM THICK, WHAT IS THE THICKNESS OF 1 PAGE? Set up a proportion in pages to cm: 36 pages /3/8cm = 1 page/x cm Cross multiply: 36x = 3/8 Divide each side by 36 x = 3/(8 * 36) x = 1/(8*12) x = 1/96 cm

An alligators tail length, T, varies directly as its body length, B. An alligator with a body length of 5.6 feet has a tail length of 4.9 feet. What is the tail length of an alligator whos body length is 4.8 feet Set up a proportion of T/B 5.6/4.9 = t/4.8 Using our proportion calculator, we...

A wildlife reserve has a population of 180 elephants. A group of researchers trapped 60 elephants and recorded their vital statistics. Of the trapped elephants, 12 were female. If that rate holds true for the entire population of 180 elephants, how many female elephants are on the wildlife...

A plain chocolate bar weights 40 grams. It contains 12 grams of fat. A milk chocolate bar is 30 grams. It contains 10 grams of fat. Which chocolate bar has the highest proportion of fat? Calculate the proportion of fat grams for each chocolate bar: Plain chocolate: 12/40 = 3/10 = 30% Milk...

A baseball player gets 7 hits in the first 15 games of the season. If he continues hitting at the same rate, how many hits will he get in the first 45 games? Let's find the proportion of hits to games. Using h as the number of hits in 45 games, we have: 7/15 = h/45 Using our proportion...