Wendy's salary to Risa's salary is 2 : 9. If Wendy spends
35 of her salary, Risa will have $2870 more than her. How much salary does Wendy have?
| |
Wendy |
Risa |
Comparing Wendy
and Risa at first |
2x5 =
10 u |
9x5 =
45 u |
Before |
5x2 =
10 u |
|
Change |
- 3x2 =
- 6 u |
|
After |
2x2 =
4 u |
45 u |
Comparing Wendy
and Risa in the end |
|
$2870 more |
Wendy's salary at first is repeated. Make Wendy's salary at first the same. LCM of 2 and 5 is 10.
Amount that Risa will have more than Wendy in the end
= 45 u - 4 u
= 41 u
41 u = 2870
1 u = 2870 ÷ 41 = 70
Wendy's salary
= 10 u
= 10 x 70
= $700
Answer(s): $700
