Question

Matt's phone bill consist of an initial monthly charge of $30 and then he pays $4.50 per gigabyte of internet he uses. If he spent a total of $52.50, and x represents gigabytes, which equation can be used to figure out how many gigabytes he used?

Answer 1

5 gigabytes

Explanation:

30+4.50x=52.50 (equation)

-30 -30

4.50x=52.50

/4.50 /4.50

x= 5

5 gigabytes