Proportions Initial Word Problems Practice

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 then solve for the unknown variable.

Front

If 4 cans of soup cost $2.60, how much will 10 cans cost?

Back

$6.50

Front

Carol spends 17 hours in a 2-week period practicing her culinary skills. How many hours does she practice in 5 weeks?

Back

42.5 hours

Front

I have read 146 pages in 3 hours. How long would it take to read an entire 390 page book?

Back

8 hours

Front

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. If 5 cups of flour are used, how many cups of milk should be used?

Back

2.5 cups milk

Front

What is the formula for finding a missing value in a proportion?

Back

The formula is a/b = c/d, where a, b, c, and d are the values in the proportion.

Front

What does it mean to scale a recipe?

Back

Scaling a recipe means adjusting the ingredient amounts to make more or less of the dish while keeping the proportions the same.

Front

If a recipe requires 2 cups of sugar for 4 cups of flour, how much sugar is needed for 10 cups of flour?

Back

5 cups of sugar.

Front

What is the relationship between ratios and proportions?

Back

Ratios compare two quantities, while proportions show that two ratios are equal.