Tommy and Mark had a total of 96 pens. Mark had half as many pens as Tommy. How many pens must Tommy give to Mark so they have an equal number of pens?
| |
Tommy |
Mark |
Total |
| Before |
2 u |
1 u |
96 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of pens at first = 3 u
1 u = 96 ÷ 3 = 32
Tommy and Mark have an equal number of pens in the end.
Number of pens that Mark has in the end
= 96 ÷ 2
= 48
Number of pens that Tommy must give to Mark
= 48 - 32
= 16
Answer(s): 16
