Gillian had 4 times as many stamps as Dana at first. After Gillian gave 24 stamps to Dana, they each had the same number of stamps in the end. How many stamps did Gillian have at first?
| |
Gillian |
Dana |
| Before |
4 u |
1 u |
| Change |
- 24 |
+ 24 |
| After |
4 u - 24 |
1 u + 24 |
Comparing Gillian and
Dana in the end |
1 |
1 |
The number of stamps that Gillian and Dana had in the end is equal.
4 u - 24 = 1 u + 24
4 u - 1 u = 24 + 24
3 u = 48
1 u = 16
Number of stamps that Gillian had at first
= 4 u
= 4 x 16
= 64
Answer(s): 64
