There was an equal number of green and brown beads in a bag at first. After 16 brown beads were taken out and 50 green beads were added into the bag, there was
17 as many brown beads as green beads. Find the number of brown beads in the bag at first.
|
Green beads |
Brown beads |
Before |
7 u - 50 |
1 u + 16 |
Change |
+ 50 |
- 16 |
After |
7 u |
1 u |
The number of green and brown beads in the bag is the same at first.
7 u - 50 = 1 u + 16
7 u - 1 u = 16 + 50
6 u = 66
1 u = 66 ÷ 6 = 11
Number of brown beads at first
= 1 u + 16
= 11 + 16
= 27
Answer(s)27