Proportions Word Problems

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve a proportion?

Back

To solve a proportion, cross-multiply the two ratios and set the products equal to each other.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

If the ratio of green to yellow candies is 2:5 and there are 32 green candies, how many yellow candies are there?

Back

80 yellow candies.

Front

How do you find the total number of items when given a ratio and one quantity?

Back

Add the parts of the ratio together, then use the known quantity to find the total.

Front

If 60 gallons of water are pumped in 2 hours, how many gallons are pumped in 1 hour?

Back

30 gallons.

Front

If 14 children made 84 bracelets, how many bracelets does one child make?

Back

6 bracelets.

Front

How do you find the number of children needed to make a certain number of bracelets?

Back

Set up a proportion based on the number of bracelets made by the known number of children.

Front

If Allison can sew 3 scarves in 75 minutes, how long does it take her to sew 1 scarf?

Back

25 minutes.

Front

How many scarves can Allison sew in 4 hours?

Back

Allison can sew 9.6 scarves in 4 hours.