PSLE Abi had an equal number of silver and purple beads. She gave 32 silver beads and 26 purple beads to Mary. She gave the remaining beads to Nora. Nora was given 2 silver beads for every 4 purple beads. How many beads did Abi have at first?
|
Silver |
Purple |
Before |
2 u + 32 |
4 u + 26 |
Change |
- 32 |
- 26 |
After |
2 u |
4 u |
The number of silver and purple beads is equal at first.
2 u + 32 = 4 u + 26
4 u - 2 u = 32 - 26
2 u = 6
1 u = 6 ÷ 2 = 3
Number of silver beads that Abi had at first
= 2 u + 32
= 2 x 3 + 32
= 6 + 32
= 38
Number of beads that Abi had at first
= 2 x 38
= 76
Answer(s): 76