PSLE Tom had $21 more than Opal at first. After Tom gave some of his money to Opal, he had $93 less than Opal. How much money did Tom give to Opal?
|
Tom |
Opal |
Before |
1 u + 36 + 21 = 1 u + 57 |
1 u + 36
|
Change |
- 57 |
+ 57 |
After |
1 u |
1 u + 36 + 57 = 1 u + 93 |
At first, Tom had $21 more than Opal. After giving to Opal, he had $93 less than Opal. This means he gave Opal more than $21.
Additional amount that Tom gave to Opal
= (93 - 21) ÷ 2
= 72 ÷ 2
= $36
Total amount that Tom gave to Opal
= 36 + 21
= $57
Answer(s): $57