A girl can cycle at 16 km/h and walk at 7 km/h. To cover a distance of 109 km, she takes 8.5 hours. How much distance did she cover on foot?

A girl can cycle at 16 km/h and walk at 7 km/h. To cover a distance of

1.	A girl can cycle at 16 km/h and walk at 7 km/h. To cover a distance of 109 km, she takes 8.5 hours. How much distance did she cover on foot?
A.	17.5 km
B.	24.5 km
C.	21 km
D.	28 km
Answer» D. 28 km

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A girl can cycle at 16 km/h and walk at 7 km/h. To cover a distance of 109 km, she takes 8.5 hours. How much distance did she cover on foot?

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