Question

Tim's phone service charges $23.79 plus an additional $0.15 for each text message sent per month. If Tim's phone bill was $27.54, which equation could be used to find how many text messages, x, Tim sent last month?

Answer 1

x= 25 times last month ! Hope this helps <3

Answer 2

Answer: Tim sent 25 text messages

Explanation:

y=mx+c is being used

Since it increases by 0.15 each time so m=0.15 and the starting charge is 23.79 so c=23.79. We also know that his phone bill is 27.54 so y=27.54

Now this can be used to solve x

27.54 = 0.15x + 23.79

3.75 = 0.15x

25=x