What is the contrapostive of ~r->m

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

Determine the fraction of total interest owed. after the fourth month of a 12-month loan: the numerator is: {(n + ) + (n + ) + (n + ) + (n + )} = , and the denominator is: {(n) + (n + 1) + + (n + )} = . therefore, the fraction is numerator/denominator (to the nearest tenth) =

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?