SOLUTION: A long-distance phone calls $0.96 for the first minute and $0.72 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person coul

Algebra ->  Equations -> SOLUTION: A long-distance phone calls $0.96 for the first minute and $0.72 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person coul      Log On


   

Question 115202: A long-distance phone calls $0.96 for the first minute and $0.72 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $6.
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
.96+.72M=6
.72M=6-.96
.72M=5.04
M=5.04/.72
M=7 MINUTES IS THE MAXIMUM AMOUNT OF TIME THAT CAN BE USED WITHOUT EXCEEDING $6
PROOF
LETM>7.1
.96+.72*7.1>6
.96+5.112>6
6.072>6