Mr Lim had $906 more than Mr Loo at first. After Mr Loo had spent $486, Mr Lim had 4 times as much money as Mr Loo. Find the amount of money Mr Lim had at first.
| |
Mr Loo |
Mr Lim |
Comparing Mr Loo
and Mr Lim at first |
|
$906 more |
| Before |
1 u + $486 |
4 u |
| Change |
- $486 |
|
| After |
1 u |
4 u |
Mr Lim had $906 more than Mr Loo at first. If another $906 is given to Mr Loo at first, both will have the same amount at first.
4 u = 1 u + 486 + 906
4 u = 1 u + 1392
4 u - 1 u = 1392
3 u = 1392
1 u = 1392 ÷ 3 = 464
Amount that Mr Lim had at first
= 4 u
= 4 x 464
= $1856
Answer(s): $1856
