Jen's salary to Cathy's salary is 4 : 9. If Jen spends
56 of her salary, she will have $250 less than Cathy. How much salary does Cathy have?
| |
Jen |
Cathy |
Comparing Jen
and Cathy at first |
4x3 =
12 u |
9x3 =
27 u |
Before |
6x2 =
12 u |
|
Change |
- 5x2 =
- 10 u |
|
After |
1x2 =
2 u |
27 u |
Comparing Jen
and Cathy in the end |
|
$250 less |
Jen's salary at first is repeated. Make Jen's salary at first the same. LCM of 4 and 6 is 12.
Amount that Jen will have less than Cathy in the end
= 27 u - 2 u
= 25 u
25 u = 250
1 u = 250 ÷ 25 = 10
Cathy's salary
= 27 u
= 27 x 10
= $270
Answer(s): $270
