If I have 15.00 to spend on a phone bill each month what is the maximum number of calls I can make if the service cost 9.00 and it is $0.45 per call. Translate into inequality and solve.
3 answers
What do you think?
9 +.45 (C)<=15.00
.45C<=6
C<=13
13 calls
.45C<=6
C<=13
13 calls
13 is right.