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3 years ago

A gym membership is $100 sign-up fee and charges $20 a month thereafter. How much is the membership fee in a month?

Mathematics

1 answer:

trapecia [35]3 years ago

4 0

Answer:

$120

Step-by-step explanation:

y = mx + b

The $100 sign up fee is a set amount, or the b value.

The $20 would be the m value since it the constant change, or the slope.

Thus, the equation would be y=20x + 100

The membership fee for 1 month would be --->

y= 20(1) +100

y= 20 + 100

y= $120

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