PSLE Winnie had an equal number of red and pink beads. She gave 35 red beads and 27 pink beads to Mary. She gave the remaining beads to Nora. Nora was given 4 red beads for every 6 pink beads. How many beads did Winnie have at first?
|
Red |
Pink |
Before |
4 u + 35 |
6 u + 27 |
Change |
- 35 |
- 27 |
After |
4 u |
6 u |
The number of red and pink beads is equal at first.
4 u + 35 = 6 u + 27
6 u - 4 u = 35 - 27
2 u = 8
1 u = 8 ÷ 2 = 4
Number of red beads that Winnie had at first
= 4 u + 35
= 4 x 4 + 35
= 16 + 35
= 51
Number of beads that Winnie had at first
= 2 x 51
= 102
Answer(s): 102