A motorboat can travel x km upstream and x + 20 km downstream in 17.5 hours. If the ratio of the speed of the motorboat in still water to the speed of stream is 3: 1 and the difference between their speed is 4 km. Quantity I :What is the value of x? Quantity II :How much distance the motorboat will travel downstream in 5 hours 15 minutes?

Quantity I = Quantity II or relation can't be established

A motorboat can travel x km upstream and x + 20 km downstream in 17.5

1.	A motorboat can travel x km upstream and x + 20 km downstream in 17.5 hours. If the ratio of the speed of the motorboat in still water to the speed of stream is 3: 1 and the difference between their speed is 4 km. Quantity I :What is the value of x? Quantity II :How much distance the motorboat will travel downstream in 5 hours 15 minutes?
A.	Quantity : I > Quantity : II
B.	Quantity : I ≥ Quantity : II
C.	Quantity : I < Quantity : II
D.	Quantity : II ≥ Quantity : I
E.	Quantity I = Quantity II or relation can't be established
Answer» D. Quantity : II ≥ Quantity : I

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