PSLE Oliver had $19 more than Winnie at first. After Oliver gave some of his money to Winnie, he had $41 less than Winnie. How much money did Oliver give to Winnie?
|
Oliver |
Winnie |
Before |
1 u + 11 + 19 = 1 u + 30 |
1 u + 11
|
Change |
- 30 |
+ 30 |
After |
1 u |
1 u + 11 + 30 = 1 u + 41 |
At first, Oliver had $19 more than Winnie. After giving to Winnie, he had $41 less than Winnie. This means he gave Winnie more than $19.
Additional amount that Oliver gave to Winnie
= (41 - 19) ÷ 2
= 22 ÷ 2
= $11
Total amount that Oliver gave to Winnie
= 11 + 19
= $30
Answer(s): $30