PSLE Pamela had an equal number of pink and red beads. She gave 33 pink beads and 23 red beads to Mary. She gave the remaining beads to Nora. Nora was given 4 pink beads for every 6 red beads. How many beads did Pamela have at first?
|
Pink |
Red |
Before |
4 u + 33 |
6 u + 23 |
Change |
- 33 |
- 23 |
After |
4 u |
6 u |
The number of pink and red beads is equal at first.
4 u + 33 = 6 u + 23
6 u - 4 u = 33 - 23
2 u = 10
1 u = 10 ÷ 2 = 5
Number of pink beads that Pamela had at first
= 4 u + 33
= 4 x 5 + 33
= 20 + 33
= 53
Number of beads that Pamela had at first
= 2 x 53
= 106
Answer(s): 106