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For the following situation, (a) write an equation in the form y=mx+b, (b) find and interpret the ordered pair associated with the equation for x=5, and (c) answer the question.A health club membership costs $80, plus $48 per month. Let x represent the number of months and y represent the cost in dollars. How much does the first year’s membership cost?

For The Following Situation A Write An Equation In The Form Ymxb B Find And Interpret The Ordered Pair Associated With The Equation For X5 And C Answer The Ques class=

Sagot :

Based on the question, a health club membership costs $80, plus $48 per month. This can be written as $80 + $48 per month = health membership cost.

If x = month and y = cost, then we can rewrite the equation as:

[tex]\begin{gathered} 80+48x=y \\ or \\ y=48x+80 \end{gathered}[/tex]

a. This is our equation in the form of y = mx + b. (y = 48x + 80).

b. If the number of months is 5 or x = 5, we can solve for the total cost of membership by replacing "x" with "5" in the equation.

[tex]\begin{gathered} y=48x+80 \\ y=48(5)+80 \\ y=240+80 \\ y=320 \end{gathered}[/tex]

The ordered pair is (5, 320).

This ordered pair indicates that the cost for 5-month membership is $320.

c. Since there are 12 months in 1 year, replace "x" in the equation with 12 and then, solve.

[tex]\begin{gathered} y=48x+80 \\ y=48(12)+80 \\ y=576+80 \\ y=656 \end{gathered}[/tex]

Therefore, the first year's membership cost is $656.

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