Hilda's salary to Roshel's salary is 2 : 7. If Hilda spends
34 of her salary, Roshel will have $130 more than her. How much salary does Hilda have?
| |
Hilda |
Roshel |
Comparing Hilda
and Roshel at first |
2x2 =
4 u |
7x2 =
14 u |
Before |
4x1 =
4 u |
|
Change |
- 3x1 =
- 3 u |
|
After |
1x1 =
1 u |
14 u |
Comparing Hilda
and Roshel in the end |
|
$130 more |
Hilda's salary at first is repeated. Make Hilda's salary at first the same. LCM of 2 and 4 is 4.
Amount that Roshel will have more than Hilda in the end
= 14 u - 1 u
= 13 u
13 u = 130
1 u = 130 ÷ 13 = 10
Hilda's salary
= 4 u
= 4 x 10
= $40
Answer(s): $40
