s6rgioo s6rgioo

20-10-2020
Mathematics

contestada

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?

Respuesta :

kate6056 kate6056

20-10-2020

Answer:

She has 4 extra phone lines

Step-by-step explanation:

85 + 7.5p = 115

115-85 = 30

7.5p ÷ 7.5

30 ÷ 7.5

p = 4

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