Question

My monthly cell phone bill is $40 plus $.10 for each text message. Write an equation to show the cost of texting. What is my total monthly bill if I send 80 text messages

Answer 1

y=.1x+40; Your total monthly bill is $48 for 80 text messages.

Explanation:

y is your total bill

x represents each text message

40 is you cellphone bill cost

.1 is the cost per text message

(y=.1x+40 becomes your equation)

plug 80 to represent "x"

y=.1*80+40 ---> y=48

your total monthly bill is $48