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?

Question

anonymous · Answer

is 30 dollars a charge per month?

mertsj · Answer

n(325/12)>100+30n

anonymous · Answer

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

mertsj · Answer

27.08

anonymous · Answer

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

mertsj · Answer

that's not the question.

anonymous · Answer

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

mertsj · Answer

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

anonymous · Answer

i dont get it at all

mertsj · Answer

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

anonymous · Answer

90 dollars?

mertsj · Answer

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 · Answer

here i got it. .

anonymous · Answer

|dw:1328491567562:dw| how much?