Question

A boy gets z dollars as pocket money each week. If he saves all of it for 3 weeks how much money will he have? Suppose at the end of the three weeks he buys a comic book for $13, how much money will he have left?

Answer 1

Answer:

$3z - 13

Step-by-step explanation:

He will save $z per week, for 3 weeks it will be $3z

At the end of 3 weeks he spends $13 and money left: $3z - 13

Answer 2

Answer:

3z - 13

Step-by-step explanation: