# Best Buy: Flowers for Mother's Day

## Unit Rate: Roses

Roses are \$19.92 for 12 roses.

To calculate the unit rate you would divide the number (amount) of roses by the total price.

19.92 divided by 12 = 1.66

You can also calculate a proportion to calculate the unit rate.

12/19.92 = 1/x

Solve for x

Step 1: 12x = 19.92(1)

Step 2: 12x/12 = 19.92/12

Step 3: x = 1.66

A single rose is \$1.66

## Unit Rate: Daisies

Daisies are \$ 21.90 for 15 daisies.

To calculate the unit rate you would divide the number (amount) of daisies by the total price. 21.90 divided by 15 = 1.46

You can also calculate a proportion to calculate the unit rate.

15/21.90 = 1/x

Solve for x

Step 1: 15x = 21.90(1)

Step 2: 15x/15 = 21.90/15

Step 3: x = 1.46

A single daisy costs \$ 1.46

## Unit Rate: Tulips

Tulips are \$ 25.60 for 20 tulips.

To calculate the unit rate you would divide the number (amount) of tulips by the total price.

25.60 divided by 20 = 1.28

You can also calculate a proportion to calculate the unit rate.

20/25.60 = 1/x

Solve for x

Step 1: 20x = 25.60(1)

Step 2: 20x/20 = 25.60/20

Step 3: x = 1.28

A single tulip costs \$ 1.28

## Benefit of Unit Rate

In this situation, the unit rate is beneficial because it allows you to find the Better Buy so you can pay less for flowers for Mother's Day.