Kimberly and Rachel had the same amount of money at first. After Kimberly gave $160 to her niece, Rachel had 3 times as much money as Kimberly. How much did Kimberly have in the end?
| |
Kimberly |
Rachel |
| Before |
1x3 =
3 u |
1x3 =
3 u |
| Change |
- $160 |
|
| After |
1 u |
3 u |
The amount that Rachel had at first and in the end remains unchanged. Make the amount that Rachel had the same. LCM of 1 and 3 is 3.
Amount that Kimberly gave to her niece
= 3 u - 1 u
= 2 u
2 u = 160
1 u = 160 ÷ 2 = 80
Amount that Kimberly had in the end
= 1 u
= $160
Answer(s): $160
