Problema Solution
A pan of brownies was left out on the counter and 1/4 of the brownies were eaten. Then you came and ate 2/3 of the brownies that were left. How much of the whole pan of brownies were eaten?
Answer provided by our tutors
1/4 of the brownies were eaten
there were 1 - 1/4 = 3/4 of brownies left
2/3 of the 3/4 were eat or: (2/3)(3/4) = 1/2 of the whole pan of brownies were eaten
the total of brownies eaten is: 1/4 + 1/2 = (1*1 + 2*1)/4 = 3/4 of the whole pan of brownies were eaten.