Valen had a total of 198 white and blue beads. After giving away
23 of the white beads and 78 blue beads, there was an equal number of white and blue beads left. How many white beads did he have at first?
| |
White beads |
Blue beads |
Total |
| Before |
3 u |
1 u + 78 |
198 |
| Change |
- 2 u |
- 78 |
|
| After |
1 u |
1 u |
|
Total number of beads at first
= 3 u + 1 u + 78
= 4 u + 78
4 u + 78 = 198
4 u = 198 - 78
4 u = 120
1 u = 120 ÷ 4 = 30
Number of white beads that Valen had at first
= 3 u
= 3 x 30
= 90
Answer(s): 90
