Yesterday, Tom had $23 more than Rey. This morning, he gave Rey $13.
- Who has more money now?
- How much more?
|
Tom |
Rey |
Before |
1 u + $23 |
1 u |
Change |
- $13 |
+ $13 |
After |
1 u + $10 |
1 u + $13 |
(a)
Amount that Tom has in the end
= 1 u + 23 - 13
= 1 u + 10
Amount that Rey has in the end
= 1 u + 13
Rey has more money now.
(b)
Amount that Rey has more than Tom
= 13 - 10
= $3
Answer(s): (a) Rey; (b) $3