Sean and Justin received a total of $308. After Sean spent
78 of his money and Justin spent
34 of his money, Justin had 5 times as much money as Sean. How much money did Justin have at first?
| |
Sean |
Justin |
Total |
Before |
8 u |
4x5 =
20 u |
28 u |
Change |
- 7 u |
- 3x5 =
- 15 u |
|
After |
1 u |
1x5 =
5 u |
|
Comparing Sean
and Justin in the end |
1 u |
5 u |
|
The amount that Justin had in the end is the same. Make the amount that Justin had in the end the same. LCM of 1 and 5 is 5.
Total amount that Justin and Sean had at first
= 8 u + 20 u
= 28 u
28 u = 308
1 u = 308 ÷ 28 = 11
Amount that Justin had at first
= 20 u
= 20 x 11
= $220
Answer(s): $220
