Ryan, Seth and Xavier went shopping. Ryan and Seth spent a total of $293. Ryan and Xavier spent $629 altogether. Xavier spent 8 times as much as Seth.
- How much did Seth spend?
- How much did Ryan spend?
(a)
Amount that Ryan spent = R
Amount that Seth spent = S
Amount that Xavier spent = X
R + X = 629
R + S = 293
S = 1 u
X = 8 x 1 u = 8 u
Amount that Xavier spent more than Seth
= 8 u - 1 u
= 7 u
7 u = 629 - 293
7 u = 336
1 u = 336 ÷ 7 = 48
Amount that Seth spent
= 1 u
= $48
(b)
Amount that Ryan spent
= 293 - 48
= $245
Answer(s): (a) $48; (b) $245