Nora's salary to Yoko's salary is 5 : 9. If Nora spends
34 of her salary, Yoko will have $1860 more than her. How much salary does Nora have?
| |
Nora |
Yoko |
Comparing Nora
and Yoko at first |
5x4 =
20 u |
9x4 =
36 u |
Before |
4x5 =
20 u |
|
Change |
- 3x5 =
- 15 u |
|
After |
1x5 =
5 u |
36 u |
Comparing Nora
and Yoko in the end |
|
$1860 more |
Nora's salary at first is repeated. Make Nora's salary at first the same. LCM of 5 and 4 is 20.
Amount that Yoko will have more than Nora in the end
= 36 u - 5 u
= 31 u
31 u = 1860
1 u = 1860 ÷ 31 = 60
Nora's salary
= 20 u
= 20 x 60
= $1200
Answer(s): $1200
