3 children have a total of $2420.
Adam has $110 more than Bryan.
Bryan has 3 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 = 3 u
Amount that Adam has = 3 u + 110
Total amount that Adam, Bryan and Charlie
= 1 u + 3 u + 3 u + 110
= 7 u + 110
7 u + 110 = 2420
7 u = 2420 - 110 = 2310
7 u = 2310
1 u = 2310 ÷ 7 = 330
Amount that Adam has
= 3 u + 110
= 3 x 330 + 110
= 990 + 110
= $1100
(b)
Amount that Bryan has
= 3 u
= $990
(c)
Amount that Charlie has
= 1 u
= $330
Answer(s): (a) $1100; (b) $990; (c) $330