Usha and Mary had the same amount of money at first. After Usha gave $360 to her cousin, Mary had 7 times as much money as Usha. How much did Usha have in the end?
| |
Usha |
Mary |
| Before |
1x7 =
7 u |
1x7 =
7 u |
| Change |
- $360 |
|
| After |
1 u |
7 u |
The amount that Mary had at first and in the end remains unchanged. Make the amount that Mary had the same. LCM of 1 and 7 is 7.
Amount that Usha gave to her cousin
= 7 u - 1 u
= 6 u
6 u = 360
1 u = 360 ÷ 6 = 60
Amount that Usha had in the end
= 1 u
= $360
Answer(s): $360
