Question

9. Verizon offers a cell phone plan that includes a flat fee of $85 per month for the first phone and $7.50 a

month for each additional phone. If Maria's phone bill was $115, how many extra phone lines does she
have?

Answer 1

She has 4 extra phone lines

Explanation:

85 + 7.5p = 115

115-85 = 30

7.5p ÷ 7.5

30 ÷ 7.5

p = 4