3 children have a total of $4770.
Charlie has $290 more than Adam.
Adam has 3 times as much as Bryan.
- How much does Charlie have?
- How much does Adam have?
- How much does Bryan have?
(a)
Choose the person with least money to be 1 u.
Amount that Bryan has = 1 u
Amount that Adam has = 3 u
Amount that Charlie has = 3 u + 290
Total amount that Charlie, Adam and Bryan
= 1 u + 3 u + 3 u + 290
= 7 u + 290
7 u + 290 = 4770
7 u = 4770 - 290 = 4480
7 u = 4480
1 u = 4480 ÷ 7 = 640
Amount that Charlie has
= 3 u + 290
= 3 x 640 + 290
= 1920 + 290
= $2210
(b)
Amount that Adam has
= 3 u
= $1920
(c)
Amount that Bryan has
= 1 u
= $640
Answer(s): (a) $2210; (b) $1920; (c) $640