Proportions Word Problems Test

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 terms and then solve for the unknown variable.

Front

If 20 apples cost $12, how much do 5 apples cost?

Back

Front

What is the unit rate?

Back

The unit rate is a comparison of two different quantities when they are combined together. It is often expressed as a quantity per 1 unit.

Front

How do you find the unit price?

Back

To find the unit price, divide the total price by the number of units.

Front

If a smoothie costs $7 for 20oz, what is the cost per ounce?

Back

$0.35 per ounce (Divide $7 by 20 ounces).

Front

What is the formula for finding the total cost based on unit price?

Back

Total Cost = Unit Price × Quantity.

Front

If Kasey buys 28 boxes of cookies at $21 each, what is the total cost?

Back

$588 (Multiply 28 by 21).

Front

How do you set up a proportion for a word problem?

Back

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

Front

What is the relationship between ratios and proportions?

Back

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