(e) 7 km 500 m in ratio 8:7
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Step-by-step explanation:
7km 500m-7500
let the parts be 8x and 7x
8x+7x=7500
15x=7500
x=7500/15-500
Ist part=7x=3500m-3km 500m
Ilnd part-8x=4000m=4 km
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