maria solds 54 cups of lemonade in 3/7 of an hour.

a) how many cups did she sell in an hour.

b) how long did it take her to sell one cup.

Respuesta :

A.)    First divide 54 by 3 to get 18 then multiply it by 7 to get 126 cups per hour.
B.)    Divide 3/7 by 54 to get 1/378. Hope this helps!