PSLE At first, Sabrina had 69 beads and some coins. After she gave away 54 beads and 60% of the coins, she had a total of 29 beads and coins. How many coins did Sabrina give away?
|
Beads |
Coins |
Total |
Before |
69 |
5 u |
|
Change |
- 54 |
- 3 u |
|
After |
15 |
2 u |
29 |
60% =
60100 =
35 Number of beads that Sabrina left
= 69 - 54
= 15
Number of coins that Sabrina left
= 29 - 15
= 14
2 u = 14
1 u = 14 ÷ 2 = 7
Number of coins that Sabrina gave away
= 3 u
= 3 x 7
= 21
Answer(s): 21