The ratio of Harry's to Brandon's money is 4 : 3. The ratio of Brandon's to Oliver's money is 3 : 5. If Harry has $76, how much less does Brandon have than Oliver?
| Harry |
Brandon |
Oliver |
| 4x1 |
3x1 |
|
| |
3x1 |
5x1 |
| 4 u |
3 u |
5 u |
The amount that Brandon has is the repeated identity.
Use LCM to make it the same.
LCM of 3 and 3 = 3
Amount that Harry has = 4 u
4 u = 76
1 u = 76 ÷ 4 = 19
Amount that Brandon has less than Oliver
= 5 u - 3 u
= 2 u
= 2 x 19
= $38
Answer(s): $38
