Proportion Word Problems

Front

What is a proportion?

Back

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

Front

How do you set up a proportion to solve a word problem?

Back

Identify the two ratios involved in the problem and set them equal to each other.

Front

If 3 pounds of apples costs $0.90, what is the cost per pound?

Back

$0.30 per pound.

Front

How do you find the total cost for a different quantity using a proportion?

Back

Use the unit rate (cost per pound) and multiply by the new quantity.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Cost / Total Quantity.

Front

If a bird flies 35 meters in 10 seconds, what is its speed in meters per second?

Back

3.5 meters per second.

Front

How do you calculate the time taken to travel a certain distance at a constant speed?

Back

Time = Distance / Speed.

Front

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

Back

Distance = Speed × Time.

Front

If Farah learned 15 recipes in 3 weeks, how many recipes does she learn per week?

Back

5 recipes per week.

Front

How do you determine how many weeks it will take to learn a different number of recipes?

Back

Divide the total number of recipes by the number of recipes learned per week.