Emma's salary to Abi's salary is 5 : 7. If Emma spends
34 of her salary, Abi will have $230 more than her. How much salary does Emma have?
| |
Emma |
Abi |
Comparing Emma
and Abi at first |
5x4 =
20 u |
7x4 =
28 u |
Before |
4x5 =
20 u |
|
Change |
- 3x5 =
- 15 u |
|
After |
1x5 =
5 u |
28 u |
Comparing Emma
and Abi in the end |
|
$230 more |
Emma's salary at first is repeated. Make Emma's salary at first the same. LCM of 5 and 4 is 20.
Amount that Abi will have more than Emma in the end
= 28 u - 5 u
= 23 u
23 u = 230
1 u = 230 ÷ 23 = 10
Emma's salary
= 20 u
= 20 x 10
= $200
Answer(s): $200
