Liam has
27 as many pens as Perry. They have a total of 288 pens. How many pens must Perry give to Liam so that they will have the same number of pens?
| |
Liam |
Perry |
Total |
| Before |
2 u |
7 u |
9 u |
| Change |
+ ? |
- ? |
|
| After |
144 |
144 |
288 |
Total number of pens
= 2 u + 7 u
= 9 u
9 u = 288
1 u = 288 ÷ 9 = 32
Number of pens that each of them has in the end
= 288 ÷ 2
= 144
Number of pens that Liam has
= 2 u
= 2 x 32
= 64
Number of pens that Perry must give Liam
= 144 - 64
= 80
Answer(s): 80
