Henry and Sam have a total of $384. If Sam gives Henry $13, Henry will have thrice as much money as Sam. How much money has each of them at first?
- Sam
- Henry
|
Henry |
Sam |
Total |
Before |
3 u - $13 |
1 u + $13 |
$384 |
Change |
+ $13 |
- $13 |
|
After |
3 u |
1 u |
$384 |
(a)
Total amount that Henry and Sam have in the end
= 1 u + 3 u
= 4 u
4 u = 384
1 u = 384 ÷ 4 = 96
Amount that Sam has at first
= 1 u + 13
= 96 + 13
= $109
(b)
Amount that Henry has at first
= 384 - 109
= $275
Answer(s): (a) $109; (b) $275