Irene had 6 times as many stamps as Penelope at first. After Irene gave 45 stamps to Penelope, they each had the same number of stamps in the end. How many stamps did Penelope have in the end?
| |
Irene |
Penelope |
| Before |
6 u |
1 u |
| Change |
- 45 |
+ 45 |
| After |
6 u - 45 |
1 u + 45 |
Comparing Irene and
Penelope in the end |
1 |
1 |
The number of stamps that Irene and Penelope had in the end is equal.
6 u - 45 = 1 u + 45
6 u - 1 u = 45 + 45
5 u = 90
1 u = 18
Number of stamps that Penelope had in the end
= 1 u + 45
= 18 + 45
= 63
Answer(s): 63
