3 children have a total of $3780.
Adam has $140 more than Bryan.
Bryan has 6 times as much as Charlie.
- How much does Adam have?
- How much does Bryan have?
- How much does Charlie have?
(a)
Choose the person with least money to be 1 u.
Amount that Charlie has = 1 u
Amount that Bryan has = 6 u
Amount that Adam has = 6 u + 140
Total amount that Adam, Bryan and Charlie
= 1 u + 6 u + 6 u + 140
= 13 u + 140
13 u + 140 = 3780
13 u = 3780 - 140 = 3640
13 u = 3640
1 u = 3640 ÷ 13 = 280
Amount that Adam has
= 6 u + 140
= 6 x 280 + 140
= 1680 + 140
= $1820
(b)
Amount that Bryan has
= 6 u
= $1680
(c)
Amount that Charlie has
= 1 u
= $280
Answer(s): (a) $1820; (b) $1680; (c) $280