Reggie and Mary shared some beads equally. After Mary bought 36 beads and Reggie gave 156 beads away, they had 184 beads left. How many beads did each of them have at first?
| |
Reggie |
Mary |
Total |
| Before |
1 u |
1 u |
|
| Change |
+ 36 |
- 156 |
|
| After |
1 u + 36 |
1 u - 156 |
184 |
Reggie and Mary had the same number of beads at first.
Total number of beads in the end
= 1 u + 36 + 1 u - 156
= 1 u + 1 u + 36 - 156
= 2 u - 120
2 u - 120 = 184
2 u = 184 + 120
2 u = 304
1 u = 304 ÷ 2 = 152
Number of beads that each of them had at first
= 1 u
= 152
Answer(s): 152
