PSLE Ivan had $13 more than Xuan at first. After Ivan gave some of his money to Xuan, he had $49 less than Xuan. How much money did Ivan give to Xuan?
|
Ivan |
Xuan |
Before |
1 u + 18 + 13 = 1 u + 31 |
1 u + 18
|
Change |
- 31 |
+ 31 |
After |
1 u |
1 u + 18 + 31 = 1 u + 49 |
At first, Ivan had $13 more than Xuan. After giving to Xuan, he had $49 less than Xuan. This means he gave Xuan more than $13.
Additional amount that Ivan gave to Xuan
= (49 - 13) ÷ 2
= 36 ÷ 2
= $18
Total amount that Ivan gave to Xuan
= 18 + 13
= $31
Answer(s): $31