PSLE At first, Shannon had 71 stamps and some coins. After she gave away 55 stamps and 25% of the coins, she had a total of 22 stamps and coins. How many coins did Shannon give away?
|
Stamps |
Coins |
Total |
Before |
71 |
4 u |
|
Change |
- 55 |
- 1 u |
|
After |
16 |
3 u |
22 |
25% =
25100 =
14 Number of stamps that Shannon left
= 71 - 55
= 16
Number of coins that Shannon left
= 22 - 16
= 6
3 u = 6
1 u = 6 ÷ 3 = 2
Number of coins that Shannon gave away
= 1 u
= 1 x 2
= 2
Answer(s): 2