Best Buy: Flowers for Mother's Day
Hayden Hampton
Roses
Daisies
Tulips
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
Better Buy: Tulips
In this situation, tulips are the Better Buy because you get more tulips for less money. You pay 25.60 for 20 tulips and you are only paying $1.28 per flower. The roses were the worst deal because you only get 12 roses and are paying the most ($1.66 per flower). The daisies were not the Best Buy because you are paying $ 21.90 for 15 daisies ($1.46 per flower).
I am going to buy my Mom tulips for Mother's Day. ~Hayden