Zara's salary to Xylia's salary is 7 : 9. If Zara spends
35 of her salary, Xylia will have $2170 more than her. How much salary does Zara have?
| |
Zara |
Xylia |
Comparing Zara
and Xylia at first |
7x5 =
35 u |
9x5 =
45 u |
Before |
5x7 =
35 u |
|
Change |
- 3x7 =
- 21 u |
|
After |
2x7 =
14 u |
45 u |
Comparing Zara
and Xylia in the end |
|
$2170 more |
Zara's salary at first is repeated. Make Zara's salary at first the same. LCM of 7 and 5 is 35.
Amount that Xylia will have more than Zara in the end
= 45 u - 14 u
= 31 u
31 u = 2170
1 u = 2170 ÷ 31 = 70
Zara's salary
= 35 u
= 35 x 70
= $2450
Answer(s): $2450
