Elyse had 4 times as many stamps as Xandra at first. After Elyse gave 27 stamps to Xandra, they each had the same number of stamps in the end. How many stamps did Elyse have at first?
| |
Elyse |
Xandra |
| Before |
4 u |
1 u |
| Change |
- 27 |
+ 27 |
| After |
4 u - 27 |
1 u + 27 |
Comparing Elyse and
Xandra in the end |
1 |
1 |
The number of stamps that Elyse and Xandra had in the end is equal.
4 u - 27 = 1 u + 27
4 u - 1 u = 27 + 27
3 u = 54
1 u = 18
Number of stamps that Elyse had at first
= 4 u
= 4 x 18
= 72
Answer(s): 72
