Fred and Albert had $1200 altogether. After Fred spent
16 of his money and Albert spent
56 of his money, Fred was left with thrice as much money as Albert. How much money did Albert have at first?
| |
Fred |
Albert |
Total |
| Before |
6x3 =
18 u |
6x5 =
30 u |
$1200 |
| Change |
- 1x3 =
- 3 u |
- 5x5 =
- 25 u |
|
| After |
5x3 =
15 u |
1x5 =
5 u |
|
Comparing Fred
and Albert in the end |
3x5 =
15 u |
1x5 =
5 u |
|
The amount that Fred had in the end is repeated. Make the amount that Fred had in the end the same. LCM of 5 and 3 is 15.
Total amount that Fred and Albert had at first
= 18 u + 30 u
= 48 u
48 u = 1200
1 u = 1200 ÷ 48 = 25
Amount that Albert had at first
= 30 u
= 30 x 25
= $750
Answer(s): $750
