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Mathematics 4 Online
OpenStudy (selena2345):

It costs $300 to join the new Superfit Gym. You then pay $15 each month and $2 each time you work out. Carlo thinks he will use the gym about 20 times each month for a year. Part A : Write An Expression You can use to calculate the cost of SuperFit Gym For One Year. Part B : Use Your Expression to calculate the cost of using the SuperFit Gym for one year.

OpenStudy (haltiamali):

Well, what do you think is the first step to making an expression?

OpenStudy (haltiamali):

We know we will be using the variable "C" for Cost.

OpenStudy (selena2345):

yes

OpenStudy (selena2345):

then

OpenStudy (selena2345):

WTF

OpenStudy (selena2345):

akash help me please

OpenStudy (anonymous):

300 +15*12 +2*x, thats the expression

OpenStudy (selena2345):

sorry halitamali

OpenStudy (selena2345):

what about part b akash

OpenStudy (anonymous):

substitue for x to get part b

OpenStudy (selena2345):

how do i subsitute x

OpenStudy (anonymous):

x = 20 *12...20 times per month and 12 months in a year

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