Simon and Tom had a total of 132 marbles. Tom had half as many marbles as Simon. How many marbles must Simon give to Tom so they have an equal number of marbles?
|
Simon |
Tom |
Total |
Before |
2 u |
1 u |
132 |
Change |
- ? |
+ ? |
|
After |
1 |
1 |
|
Total number of marbles at first = 3 u
1 u = 132 ÷ 3 = 44
Simon and Tom have an equal number of marbles in the end.
Number of marbles that Tom has in the end
= 132 ÷ 2
= 66
Number of marbles that Simon must give to Tom
= 66 - 44
= 22
Answer(s): 22