Bobby and Will have a total of $270. If Bobby gives Will $20, they will each have an equal amount of money. How much money has each of them at first?
- Bobby
- Will
|
Bobby |
Will |
Total |
Before |
1 u + 20 |
1 u - 20 |
$270 |
Change |
- 20 |
+ 20 |
|
After |
1 u |
1 u |
$270 |
(a)
Total amount that Bobby and Will have in the end
= 1 u + 1 u
= 2 u
2 u = 270
1 u = 270 ÷ 2 = 135
Amount that Bobby has at first
= 1 u + 20
= 135 + 20
= $155
Amount that Will has at first
= 270 - 155
= $115
Answer(s): (a) $155; (b) $115