Paul, Ethan and Japheth went shopping. Paul and Ethan spent a total of $260. Paul and Japheth spent $620 altogether. Japheth spent 4 times as much as Ethan.
- How much did Ethan spend?
- How much did Paul spend?
(a)
Amount that Paul spent = P
Amount that Ethan spent = E
Amount that Japheth spent = J
P + J = 620
P + E = 260
E = 1 u
J = 4 x 1 u = 4 u
Amount that Japheth spent more than Ethan
= 4 u - 1 u
= 3 u
3 u = 620 - 260
3 u = 360
1 u = 360 ÷ 3 = 120
Amount that Ethan spent
= 1 u
= $120
(b)
Amount that Paul spent
= 260 - 120
= $140
Answer(s): (a) $120; (b) $140