Kathy's salary to Min's salary is 3 : 8. If Kathy spends
47 of her salary, Min will have $2350 more than her. How much salary does Kathy have?
| |
Kathy |
Min |
Comparing Kathy
and Min at first |
3x7 =
21 u |
8x7 =
56 u |
Before |
7x3 =
21 u |
|
Change |
- 4x3 =
- 12 u |
|
After |
3x3 =
9 u |
56 u |
Comparing Kathy
and Min in the end |
|
$2350 more |
Kathy's salary at first is repeated. Make Kathy's salary at first the same. LCM of 3 and 7 is 21.
Amount that Min will have more than Kathy in the end
= 56 u - 9 u
= 47 u
47 u = 2350
1 u = 2350 ÷ 47 = 50
Kathy's salary
= 21 u
= 21 x 50
= $1050
Answer(s): $1050
