10 + 0.15t = 14.50
0.15t = 4.50
t = 30
a cell phone company charges $10 per month, for up to 500 text messages, and $.15 for each additional text messages. Stanley was charged $14.50 last month for text messages. Write an equation to find the number of text messages over 500 he sent and received last month
2 answers
Igxaubaxubxaubxaubxaudq
1 answer