Pamela had $180 more than Ivory. Pamela spent 0.8 of her money and Ivory spent 40% of her money. In the end, Pamela and Ivory had the same amount of money left. Find the amount of money that Pamela had in the end.
|
Pamela |
Ivory |
Comparing Pamela and Ivory at first |
180 more |
|
Before |
5x3 = 15 u |
5x1 = 5 u |
Change |
- 4x3 = - 12 u |
- 2x1 = - 2 u |
After |
1x3 = 3 u |
3x1 = 3 u |
0.8 =
810 =
45 40% =
40100 =
25 Pamela and Ivory 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 Pamela had more than Ivory at first
= 15 u - 5 u
= 10 u
10 u = 180
1 u = 180 ÷ 10 = 18
Amount that Pamela had in the end
= 3 u
= 3 x 18
= $54
Answer(s): $54