A fitness center has two membership plans. One has low dollar sign up fee of 15 dollars and cost 38 dollars a month to join. A second plan is a higher sign up fee of 78 dollars and a low monthly fee of 31 dollars. For what number of months coat the same?

Question

Mathematics

Whiz

1 November, 08:46

A fitness center has two membership plans. One has low dollar sign up fee of 15 dollars and cost 38 dollars a month to join. A second plan is a higher sign up fee of 78 dollars and a low monthly fee of 31 dollars. For what number of months coat the same?

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Answers (1)

Know the Answer?

Marina · Answer 1

The number of months cost same is 9

Step-by-step explanation:

Given:

Equation for the first plan y = 38x + 15

Equation for the second plan y = 31x + 78.

where x is the number of month

Solution:

38x + 15 = 31x + 78

7x + 15 = 78

7x = 63

x = 9