Neave and Jack had a total of 120 pens. Jack had half as many pens as Neave. How many pens must Neave give to Jack so they have an equal number of pens?
| |
Neave |
Jack |
Total |
| Before |
2 u |
1 u |
120 |
| Change |
- ? |
+ ? |
|
| After |
1 |
1 |
|
Total number of pens at first = 3 u
1 u = 120 ÷ 3 = 40
Neave and Jack have an equal number of pens in the end.
Number of pens that Jack has in the end
= 120 ÷ 2
= 60
Number of pens that Neave must give to Jack
= 60 - 40
= 20
Answer(s): 20
