A full-year membership to a gym costs $325 up front, with no monthly charge. A monthly membership costs $100 up front and $30 per month. For how many months is it less expensive to have a monthly membership?

- anonymous

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- anonymous

is 30 dollars a charge per month?

- Mertsj

n(325/12)>100+30n

- anonymous

i don't have calculator. . what's the result if you will divide 325 by 12?

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## More answers

- Mertsj

27.08

- anonymous

threfor, it is more expensive if you will have a monthly membership. . .

- Mertsj

that's not the question.

- anonymous

i can chose from 4,11,7,10 months

- Mertsj

Well can you figure out which one gives you a cost greater than 325?

- anonymous

i dont get it at all

- Mertsj

How much would you pay to be a member for 4 months?

- anonymous

90 dollars?

- Mertsj

You would pay 100 dollars to join and then you would pay 30 dollars every month for 4 months. How much would that be?

- anonymous

here i got it. .

- anonymous

|dw:1328491567562:dw| how much?

- Mertsj

Don't tell the answer jerwyn. That doesn't help isabella

- anonymous

yeah i know. . i will only tell the process. .

- anonymous

how much is it isabella?

- anonymous

1560

- anonymous

are you sure?

- anonymous

thats what i got

- anonymous

divide 1560 by 350 how much you will got?

- anonymous

i mean 325. . .

- anonymous

4.8

- anonymous

then it's about five months, but since it's not found in the choices, choose 4. . am i right mertsj?

- anonymous

??

- Mertsj

No.

- anonymous

i think its 10

- anonymous

m i wrong?

- Mertsj

For 1 month it would cost $130 because it would be $100 to join + $30
For 2 months it would cost $160 because it would be $100 to join + 2(30)
For 3 months it would cost $190 because it would bE $100 to join + 3(30)
For 4 months it would cost $220 because it would be $100 to join + 4(30)
For 5 months it would cost $250 because it would be $100 to join +5(30)
For 6 months it would cost $280 because it would be $100 to join + 6(30)
For 7 months it would cost $310 because it would be $100 to join + 7(30)
For 8 months it would cost $340 because it would be $100 to join + 8(30)

- Mertsj

But wait!!! $340 is more than $325 so now it more expensive to have a monthly membership. So the answer must be that for 7 months it is cheaper to have the monthly membership

- anonymous

thank you soo much

- anonymous

yeah correct. it's 7, since 4.8 is equivalent to 5, therefor 12-5= 7
nice mertsj. .

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