There was an equal number of brown and green beads in a box at first. After 27 green beads were taken out and 48 brown beads were added into the box, there was
14 as many green beads as brown beads. Find the number of green beads in the box at first.
| |
Brown beads |
Green beads |
| Before |
4 u - 48 |
1 u + 27 |
| Change |
+ 48 |
- 27 |
| After |
4 u |
1 u |
The number of brown and green beads in the box is the same at first.
4 u - 48 = 1 u + 27
4 u - 1 u = 27 + 48
3 u = 75
1 u = 75 ÷ 3 = 25
Number of green beads at first
= 1 u + 27
= 25 + 27
= 52
Answer(s)52
