3 children have a total of $2470.
Adam has $130 more than Charlie.
Charlie has 2 times as much as Bryan.
- How much does Adam have?
- How much does Charlie 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 Charlie has = 2 u
Amount that Adam has = 2 u + 130
Total amount that Adam, Charlie and Bryan
= 1 u + 2 u + 2 u + 130
= 5 u + 130
5 u + 130 = 2470
5 u = 2470 - 130 = 2340
5 u = 2340
1 u = 2340 ÷ 5 = 468
Amount that Adam has
= 2 u + 130
= 2 x 468 + 130
= 936 + 130
= $1066
(b)
Amount that Charlie has
= 2 u
= $936
(c)
Amount that Bryan has
= 1 u
= $468
Answer(s): (a) $1066; (b) $936; (c) $468