PSLE Ben had $29 more than Kathy at first. After Ben gave some of his money to Kathy, he had $49 less than Kathy. How much money did Ben give to Kathy?
|
Ben |
Kathy |
Before |
1 u + 10 + 29 = 1 u + 39 |
1 u + 10
|
Change |
- 39 |
+ 39 |
After |
1 u |
1 u + 10 + 39 = 1 u + 49 |
At first, Ben had $29 more than Kathy. After giving to Kathy, he had $49 less than Kathy. This means he gave Kathy more than $29.
Additional amount that Ben gave to Kathy
= (49 - 29) ÷ 2
= 20 ÷ 2
= $10
Total amount that Ben gave to Kathy
= 10 + 29
= $39
Answer(s): $39