A phone company uses the equation y=0.15x+10 to find y, the monthly charges for a customer sending x text messages. How many text messages are sent if the monthly charge is $77.50?

8 answers

y=0.15x+10

77.50 = 0.15x + 10

76.50 = 0.15x

? = x
21?
No.

76.50 divided by 0.15 = ?
It is 510!!!...
it's 21 (i think idk)
Can i please know the right answer
506 idk
The answer is 21 because 77.50x0.15=11.625 then you add the ten which equals 21.