He is given 3 slices weight 1/3 a pound , but only can eat 1/4 of a pound

Question

how much of the 3 slices he can eat?

Answer 1

1/3 pound        1/4 pound

--------------  =  ---------------

  3 slices             x slices

 

Cross multiply:

 

x/3 = 3/4

 

Multiply both sides by 3:

 

x = 9/4 = 2 ¹/₄ slices