Daniel, Xavier and Liam went shopping. Daniel and Xavier spent a total of $298. Daniel and Liam spent $631 altogether. Liam spent 4 times as much as Xavier.
- How much did Xavier spend?
- How much did Daniel spend?
(a)
Amount that Daniel spent = D
Amount that Xavier spent = X
Amount that Liam spent = L
D + L = 631
D + X = 298
X = 1 u
L = 4 x 1 u = 4 u
Amount that Liam spent more than Xavier
= 4 u - 1 u
= 3 u
3 u = 631 - 298
3 u = 333
1 u = 333 ÷ 3 = 111
Amount that Xavier spent
= 1 u
= $111
(b)
Amount that Daniel spent
= 298 - 111
= $187
Answer(s): (a) $111; (b) $187