Gillian has $9 more than Vanessa. Dana has five times as much money as Gillian. They have a total of $138.
- How much money does Gillian have?
- How much money does Dana have?
(a)
Amount that Gillian has = 1 u
Amount that Vanessa has = 1 u - 9
Amount that Dana has = 5 u
Total amount that they has
= 1 u + 1 u - 9 + 5 u
= 7 u - 9
7 u - 9 = 138
7 u = 138 + 9
7 u = 147
1 u = 147 ÷ 7 = 21
(b)
Amount that Dana has
= 5 u
= 5 x 21
= $105
Answer(s): (a) $21; (b) $105