Rachel and Tammy had the same amount of money at first. After Rachel gave $60 to her daughter, Tammy had 3 times as much money as Rachel. How much did Rachel have in the end?
| |
Rachel |
Tammy |
| Before |
1x3 =
3 u |
1x3 =
3 u |
| Change |
- $60 |
|
| After |
1 u |
3 u |
The amount that Tammy had at first and in the end remains unchanged. Make the amount that Tammy had the same. LCM of 1 and 3 is 3.
Amount that Rachel gave to her daughter
= 3 u - 1 u
= 2 u
2 u = 60
1 u = 60 ÷ 2 = 30
Amount that Rachel had in the end
= 1 u
= $60
Answer(s): $60
