Answer:
72km
Explanation:
alex : tomos : annabelle = 2 : 3 : 4
if tomos drove 24km
tomos ratio is 3
so 3 --> 24
1 --> 8
total ratios --> 2 + 3 + 4 = 9
so total journey is 9 --> 9 * 8 = 72km
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