Jade's salary to Kimberly's salary is 4 : 7. If Jade spends
37 of her salary, she will have $990 less than Kimberly. How much salary does Kimberly have?
| |
Jade |
Kimberly |
Comparing Jade
and Kimberly at first |
4x7 =
28 u |
7x7 =
49 u |
Before |
7x4 =
28 u |
|
Change |
- 3x4 =
- 12 u |
|
After |
4x4 =
16 u |
49 u |
Comparing Jade
and Kimberly in the end |
|
$990 less |
Jade's salary at first is repeated. Make Jade's salary at first the same. LCM of 4 and 7 is 28.
Amount that Jade will have less than Kimberly in the end
= 49 u - 16 u
= 33 u
33 u = 990
1 u = 990 ÷ 33 = 30
Kimberly's salary
= 49 u
= 49 x 30
= $1470
Answer(s): $1470
