Cody and Pamela shared some beads equally. After Pamela bought 55 beads and Cody gave 57 beads away, they had 496 beads left. How many beads did each of them have at first?
| |
Cody |
Pamela |
Total |
| Before |
1 u |
1 u |
|
| Change |
+ 55 |
- 57 |
|
| After |
1 u + 55 |
1 u - 57 |
496 |
Cody and Pamela had the same number of beads at first.
Total number of beads in the end
= 1 u + 55 + 1 u - 57
= 1 u + 1 u + 55 - 57
= 2 u - 2
2 u - 2 = 496
2 u = 496 + 2
2 u = 498
1 u = 498 ÷ 2 = 249
Number of beads that each of them had at first
= 1 u
= 249
Answer(s): 249
