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Rosa and Maria are planning to make cupcakes to sell for a school fundraiser. Rosa will sell hers for 15$ per dozen. Maria plans to sell her cupcakes for $1.15 for each cupcake. What is the rate of change for Rosa’s cupcakes?

Respuesta :

So first you have to find the unit rate for Rosa's cupcakes.

The equation you will use is 15/12 = ?

The ? will be your unit rate.

So 15/12 equals 1.25

Maria sells hers for 1.15 each.

Rosa sells hers for 1.25 each.

1.25 -1.15 = 0.10

10 cents is your rate of change.

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