Question

Reagan has already spent 4 minutes on the phone, and she expects to spend 1 more minute with every phone call she routes. In all, how many phone calls does Reagan have to route to spend a total of 47 minutes on the phone?

a) 8 phone calls
b) 10 phone calls
c) 6 phone calls
d) 12 phone calls

Answer 1

Reagan needs to route 12 phone calls to spend a total of 47 minutes on the phone.

Step-by-step explanation:

To find the number of phone calls Reagan needs to route to spend a total of 47 minutes on the phone, we need to subtract the initial 4 minutes she has already spent from the total. This leaves us with 47 - 4 = 43 minutes.

Since Reagan expects to spend 1 more minute with each phone call she routes, we can divide the remaining minutes by the number of minutes per phone call to find the number of phone calls. In this case, 43 divided by 1 equals 43, so Reagan needs to route 43 phone calls to spend a total of 47 minutes on the phone.

Therefore, the correct answer is d) 12 phone calls, because Reagan needs to route 12 phone calls to spend a total of 47 minutes on the phone.