t = time spent in chariot

7 - t = time spent walking

8t + 4(7 - t) = 48

8t + 28 - 4t = 48

4t = 20

t = 5 hours in chariot

7 - t

= 7 - 5

= 2 hours walking

Driving distance

= 8(5) 8km/hr for 5 hours

= 40 km

Walking distance

= 4(2)

= 8 km

40 km driving and 8 km walking

*McGenius*

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