What is 8/2 as a whole number

The verbal translation for the difference of m and 7 increased by 15

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax