Question

Cheryl has 16 cupcakes made. She can make 48 cupcakes an hour. A customer asks for 160 cupcakes. How many hours will it take Cheryl to make enough cupcakes for the customer? ____h

Answer 1

the customer needs 160 cupcakes and Cheryl already has 16 cupcakes made
so she needs to make 160- 16=144 cupcakes more

if in 1 hour she can make 48
1 hour ------------------------- 48 cupcakes??? hours ---------------------144 cupcakes
cross multiplication 144divided by 48 = 3 hours