Do you mean 3^4?
If you mean this^ the answer would be 81.
Now box is 3/4 full
3/4 = 3/4*1
3/4 = 3/4 * 3/3 = 9/12
Box is 9/12 full after heba ate 1/12 of a box of cereal
Initial fraction will be 9/12+1/12
=10/12= 5/6
Karen will have to buy 14 jars to have an equal weight of peanut butter
