Zoe had $165 more than Cindy. Zoe spent 0.8 of her money and Cindy spent 25% of her money. In the end, Zoe and Cindy had the same amount of money left. Find the amount of money that Zoe had in the end.
| |
Zoe |
Cindy |
Comparing Zoe
and Cindy at first |
165 more |
|
| Before |
5x3 =
15 u |
4x1 =
4 u |
| Change |
- 4x3 =
- 12 u |
- 1x1 =
- 1 u |
| After |
1x3 =
3 u |
3x1 =
3 u |
0.8 =
810 =
45 25% =
25100 =
14 Zoe and Cindy 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 Zoe had more than Cindy at first
= 15 u - 4 u
= 11 u
11 u = 165
1 u = 165 ÷ 11 = 15
Amount that Zoe had in the end
= 3 u
= 3 x 15
= $45
Answer(s): $45
