Question

sara is getting ready to bake cakes for a bake sale. it takes her 30 minutes to prepare all of the cake mixes and 40 minutes to bake each cake.
how long would it take to prepare and bake seven cakes?
a) 250 minutes
b) 310 minutes
c) 280 minutes
d) 70 minutes
e) 490 minutes

Explanation:

Step1: Calculate bake time for 7 cakes

$40 \times 7 = 280$ minutes

Step2: Add prep time to total bake time

$280 + 30 = 310$ minutes

Answer:

B) 310 minutes