Ivan, Fabian and Andy went shopping. Ivan and Fabian spent a total of $285. Ivan and Andy spent $689 altogether. Andy spent 3 times as much as Fabian.
- How much did Fabian spend?
- How much did Ivan spend?
(a)
Amount that Ivan spent = I
Amount that Fabian spent = F
Amount that Andy spent = A
I + A = 689
I + F = 285
F = 1 u
A = 3 x 1 u = 3 u
Amount that Andy spent more than Fabian
= 3 u - 1 u
= 2 u
2 u = 689 - 285
2 u = 404
1 u = 404 ÷ 2 = 202
Amount that Fabian spent
= 1 u
= $202
(b)
Amount that Ivan spent
= 285 - 202
= $83
Answer(s): (a) $202; (b) $83