Question

"Your cell phone plan costs $34.99 per month plus $0.18 for each text message you send or receive. You have at most $39 to spend on your cell phone bill.

What is the maximum number of text messages that you can send or receive next month?

The maximum number of text messages is __

Answer 1

The solution for this problem is 22

Answer 2

22

Explanation:

Let x be the number of text messages that one sends or receives in a month.

We have 34.99 + 0.18x ≤ 39.

=> 0.18x ≤ 4.01

=> x ≤ 22.28

Thus, the largest possible integer value for x is 22.