Rael and George had a total of 54 pens. George had half as many pens as Rael. How many pens must Rael give to George so they have an equal number of pens?
|
Rael |
George |
Total |
Before |
2 u |
1 u |
54 |
Change |
- ? |
+ ? |
|
After |
1 |
1 |
|
Total number of pens at first = 3 u
1 u = 54 ÷ 3 = 18
Rael and George have an equal number of pens in the end.
Number of pens that George has in the end
= 54 ÷ 2
= 27
Number of pens that Rael must give to George
= 27 - 18
= 9
Answer(s): 9