Question

a certain cell phone company charges $ 3 for the first minute and $ 1.20 for each additional minute. design an algebraic expression to calculate the cost of a call​

Answer 1

If 500 minutes of talk = 20

and texting = 30

and each additional minute of talk = 0.45

then the bill would be (for C = total cost)

C = 20+30+(0.45 • x)

OR

C = 50 + 0.45x

Explanation:

Hope this helps! : D