Solving 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 then solve for the unknown variable.

Front

If 6 pencils cost 36 cents, how much do 2 pencils cost?

Back

12 cents.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Amount / Number of Units.

Front

If the exchange rate is 1 Jamaican dollar for 0.5 US dollars, how much Jamaican money would you get for $28?

Back

$56 Jamaican dollars.

Front

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

Back

Distance = Speed × Time.

Front

A car travels 420 miles in 8 hours. How far will it travel in 12 hours?

Back

630 miles.

Front

If 7 soccer balls cost $630, how much do 14 soccer balls cost?

Back

$1260.

Front

What is the relationship between speed, distance, and time?

Back

Speed = Distance / Time.

Front

If a bird flies 35 meters in 10 seconds, how long will it take to fly 14 more meters?

Back

4 seconds.