Gabby, Roshel and Barbara have 402 beads altogether. After Roshel gave Barbara 51 beads and Barbara gave Gabby 20 beads, they all have equal number of beads.
- How many beads did each girl have in the end?
- How many beads did Barbara have at first?
|
Gabby |
Roshel |
Barbara |
Total |
Before |
|
|
? |
402 |
Change 1 |
|
- 51 |
+ 51 |
|
Change 2 |
+ 20 |
|
- 20 |
|
After |
134 |
134 |
134 |
402 |
(a)
Number of beads that each of them had in the end
= 402 ÷ 3
= 134
(b)
Number of beads that Barbara had at first
= 134 + 20 - 51
= 103
Answer(s): (a) 134; (b) 103