PSLE Bobby had $23 more than Ivory at first. After Bobby gave some of his money to Ivory, he had $57 less than Ivory. How much money did Bobby give to Ivory?
|
Bobby |
Ivory |
Before |
1 u + 17 + 23 = 1 u + 40 |
1 u + 17
|
Change |
- 40 |
+ 40 |
After |
1 u |
1 u + 17 + 40 = 1 u + 57 |
At first, Bobby had $23 more than Ivory. After giving to Ivory, he had $57 less than Ivory. This means he gave Ivory more than $23.
Additional amount that Bobby gave to Ivory
= (57 - 23) ÷ 2
= 34 ÷ 2
= $17
Total amount that Bobby gave to Ivory
= 17 + 23
= $40
Answer(s): $40