Lynn's salary to Gem's salary is 4 : 9. If Lynn spends
25 of her salary, she will have $1650 less than Gem. How much salary does Gem have?
| |
Lynn |
Gem |
Comparing Lynn
and Gem at first |
4x5 =
20 u |
9x5 =
45 u |
Before |
5x4 =
20 u |
|
Change |
- 2x4 =
- 8 u |
|
After |
3x4 =
12 u |
45 u |
Comparing Lynn
and Gem in the end |
|
$1650 less |
Lynn's salary at first is repeated. Make Lynn's salary at first the same. LCM of 4 and 5 is 20.
Amount that Lynn will have less than Gem in the end
= 45 u - 12 u
= 33 u
33 u = 1650
1 u = 1650 ÷ 33 = 50
Gem's salary
= 45 u
= 45 x 50
= $2250
Answer(s): $2250
