Min and Gabby have 264 pens altogether. Gabby has thrice as many pens as Min. How many pens must Gabby give to Min so that they have the same number of pens?
| |
Min |
Gabby |
Total |
| Before |
1 u |
3 u |
264 |
| Change |
+ ? |
- ? |
|
| After |
132 |
132 |
264 |
Total number of pens that Min and Gabby have
= 1 u + 3 u
= 4 u
4 u = 264
1 u = 264 ÷ 4 = 66
Number of pens that Min and Gabby each has in the end
= 264 ÷ 2
= 132
Number of pens that Gabby must give to Min
= 132 - 66
= 66
Answer(s): 66
