Isaiah had
13 as much money as Gavin at first. After Isaiah received $330 and Gavin received $84, both of them had the same amount of money. How much did Gavin have at first?
|
Isaiah |
Gavin |
Before |
1 u |
3 u |
Change |
+ 330 |
+ 84 |
After |
1 u + 330 |
3 u + 84 |
The amount that Isaiah and Gavin had in the end is the same.
1 u + 330 = 3 u + 84
3 u - 1 u = 330 - 84 = 246
2 u = 246
1 u = 246 ÷ 2 = 123
Amount that Gavin had at first
= 3 u
= 3 x 123
= $369
Answer(s): $369