A baker packages 12 cupcakes to a box. Sean orders 5 boxes for his sister's graduation party and 3.5 boxes for the variety show party. Write an expression that shows the calculations you could use to find the number of the cupcakes Sean orders.

5 * 12 + 3.5 * 12

Step-by-step explanation:

Given:

Number of cupcakes in each box = 12

Number of boxes ordered by Sean for his sister's graduation party = 5

Number of boxes ordered by Sean for the variety show party = 3.5

To find: an expression that shows the calculations to find the number of the cupcakes Sean orders.

Solution:

(Number of boxes ordered by Sean for his sister's graduation party * Number of cupcakes in each box) + (Number of boxes ordered by Sean for the variety show party * Number of cupcakes in each box)

= 5 * 12 + 3.5 * 12