Question

A boatcovers a certain distance downstream in 2 hours. It covers the same distance2hole1by2
hours. The speed of the boat in still water is 18 km/h. Find the speed of the water. Also find the distance covered by the boat​

Answer 1

Step-by-step explanation:

Income = Expenditure + Savings

Let there Incomes are 4x and 3x and there

savings are 3y and 2y

Hence for A: 4x=3y+600

And for B: 3x=2y+600

Therefore, 4x−3y=600 ...(i)

and 3x−2y=600 ...(ii)

From eqn. (i) and (ii)

⇒4x−3y=3x−2y

⇒x=y

∴4x−3x=600

⇒x=600

Then, the income of A=4×600=Rs.2400

and income of B=3×600=Rs.1800

Answer 2

Answer:

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