The total cost, in dollars, of membership in a fitness center is given by the function cm) = 25m + 50, where m is the number of months a person is a member. In dollars, how much is the cost of a membership for 1 year?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)