Question

A certain cell phone data plan costs $10 per month plus $5 per GB used. Write an

expression for the monthly cost of the data plan using x GBs. Evaluate the expression
to find the cost of the data plan if 7 GBs of data were used.

Answer 1

y=5x+10

Explanation:

the x axis is the amount of GB

the y axis is the money

if we have 5 dollars for every gb then its: y = 5x + 10

Answer 2

Expression= 10 + 5x

45 dollars is money used for 7 gigabytes

Explanation:

Money used = 10 + 5x

45 dollar is money used for 7 gigabytes