A cell phone company is offering 2 different monthly plans. Each plan charges a monthly fee pulls an additional cost per gigabyte of data used. Plan A: $50 fee plus $7.50 per gigabyte of data

Plan B: $60 fee plus $6.00 per gigabyte of data

PART A
Write an expression to represent the cost of Plan A.

PART B
Write an expression to represent the cost of Plan B.