Jean went shopping with thrice as much money as Yoko. After Jean spent $300, Yoko had twice as much money as Jean had left. How much less money did Yoko bring along for shopping than Jean?
| |
Jean |
Yoko |
Difference |
| Before |
3x2 =
6 u |
1x2 =
2 u |
4 u |
| Change |
- $300 |
|
|
| After |
1 u |
2 u |
|
The amount that Yoko has remains unchanged at first and in the end. Make the amount that Yoko has the same. LCM of 1 and 2 is 2.
Amount that Jean spent
= 6 u - 1 u
= 5 u
5 u = 300
1 u = 300 ÷ 5 = 60
Amount that Yoko brought along less than Jean
= 6 u - 2 u
= 4 u
= 4 x 60
= $240
Answer(s): $240
