Question 1023555
The question is, when are the charges equal, so:
.85(x-10)=.6(x-5)
.85x-8.5=.6x-3
.25x=5.5
x=5.5/.25=22 minutes total
Cafe Star=.85(22-10)=$10.20
Tim's=.6(22-5)=$10.20!!!!!!!!!!!!