Unit 3 Retake

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 problem?

Back

To solve a proportion problem, cross-multiply and then divide to find the unknown value.

Front

If a recipe calls for 2 cups of flour for 24 cookies, how many cups are needed for 36 cookies?

Back

3 cups

Front

What is the formula to calculate speed?

Back

Speed = Distance ÷ Time.

Front

If Hadley drove 260 miles in 4 hours, what is her speed in miles per hour?

Back

65 miles per hour

Front

How do you find the distance traveled if you know the speed and time?

Back

Distance = Speed × Time.

Front

A snowmobile travels 240 miles in 4 hours. How far will it travel in 7 hours at the same speed?

Back

420 miles

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

In a cooking class, if there are 9 women and 3 men, what is the ratio of women to men?

Back

3:1

Front

How do you convert pints to cups?

Back

Multiply the number of pints by 2, since there are 2 cups in each pint.