Question

How many texts will Carly have to send each month for the two packages to be the same cost?

PACKAGE 1: $0.15 per text and a $20 fee
PACKAGE 2: $0.20 per text and no fee

Answer 1

cost for talk  0.20

usage  160 mins

total cost for a  $160

cost by text 0.10

usage 1,600 text?month

total cost for b $160