A phone call costs $0.58 plus $0.15 cents per minute. if the total charge for the call was $4.78,how many minutes was the call?

Question

I just need it written in solution and word form.

Answer 1

Hy Jaz,

 

let m be the number of minutes and c be the cost of the call

 

C = 0.58 + 0.15m

 

4.78 = 0.58 + 0.15 m

 

0.15m = 4.20

 

m = 28

 

The phone call was 28 minutes long.