Question

Ariel has already spent 79 minutes on the phone and she expects to spend 4 more minutes with every phone call she routed. In all, how many phone calls does Ariel have to route to spend a total of 131 minutes on the phone.

Answer 1

Answer: 13

Subtract 131-79
Then, divide the sum (52) by 4
Ariel had to route 13 calls