Julie had $200 less than Gem. Gem spent 0.8 of her money and Julie spent 40% of her money. In the end, Gem and Julie had the same amount of money left. Find the amount of money that Gem had at first.
| |
Julie |
Gem |
Comparing Gem
and Julie at first |
|
200 more |
| Before |
5x1 =
5 u |
5x3 =
15 u |
| Change |
- 2x1 =
- 2 u |
- 4x3 =
- 12 u |
| After |
3x1 =
3 u |
1x3 =
3 u |
0.8 =
810 =
45 40% =
40100 =
25 Julie and Gem had the same amount of money in the end. Make the amount that each had in the end the same. LCM of 1 and 3 is 3.
Amount that Julie had less than Gem at first
= 15 u - 5 u
= 10 u
10 u = 200
1 u = 200 ÷ 10 = 20
Amount that Gem had at first
= 15 u
= 15 x 20
= $300
Answer(s): $300
