Gem had $360 more than Winnie. Gem spent 0.8 of her money and Winnie spent 20% of her money. In the end, Gem and Winnie had the same amount of money left. Find the amount of money that Gem had in the end.
| |
Gem |
Winnie |
Comparing Gem
and Winnie at first |
360 more |
|
| Before |
5x4 =
20 u |
5x1 =
5 u |
| Change |
- 4x4 =
- 16 u |
- 1x1 =
- 1 u |
| After |
1x4 =
4 u |
4x1 =
4 u |
0.8 =
810 =
45 20% =
20100 =
15 Gem and Winnie had the same amount of money in the end. Make the amount that each had in the end the same. LCM of 1 and 4 is 4.
Amount that Gem had more than Winnie at first
= 20 u - 5 u
= 15 u
15 u = 360
1 u = 360 ÷ 15 = 24
Amount that Gem had in the end
= 4 u
= 4 x 24
= $96
Answer(s): $96
