βββββββββββββββ β‘ βββββββββββββββ Β
So there are five candy bars.
Herself and two sisters equals 3 people in total.
This is a graph of 5 candy bars, each line being 1/2.
β β
β β
β β
β β
β β
If she ate half of one... the graph would become this.
β β
β β
β β
β β
β
Now there are 9 halves. You need to split the 9 halves for 3 people. 9 divided by 3 is 3.
Each person gets 3 halves, or 1 and 1 half.
Mai: β β β
Sister 1: β β β
Sister 2: β β β
Altogether that is 9 halves, AKA the number of halves Mai had after she ate 1/2.
The amount Mai ate in the first place: β
9 halves plus 1 half, equals 10 halves. Each whole has 2 halves. 10 divided by 2 is 5, AKA the number of candy bars she had in the first place.
βββββββββββββββ β‘ βββββββββββββββ Β