Joelle had $697 more than Lynn. Joelle spent
38 of her money and Lynn spent
23 of her money. In the end, Joelle had 4 times as much as Lynn. Find the amount of money Lynn had at first.
| |
Joelle |
Lynn |
Comparing Joelle
and Lynn at first |
$697 more |
|
| Before |
8x4 =
32 u |
3x5 =
15 u |
| Change |
- 3x4 =
- 12 u |
- 2x5 =
- 10 u |
| After |
5x4 =
20 u |
1x5 =
5 u |
Comparing Joelle
and Lynn in the end |
4x5 =
20 u |
1x5 =
5 u |
The amount that Joelle had in the end is repeated. Make the amount that Joelle had in the end the same. LCM of 4 and 5 is 20.
Amount that Joelle had more than Lynn
= 32 u - 15 u
= 17 u
17 u = 697
1 u = 697 ÷ 17 = 41
Amount that Lynn had at first
= 15 u
= 15 x 41
= $615
Answer(s): $615
