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3. A car moves at a uniform speed of (x+30) km/hr. Find the distance covered by the car in (x+2) hours.

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3. A car moves at a uniform speed of (x+30) km/hr. Find the distance
 covered by the car in (x+2) hours.
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1 Answer

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Speed of the car = (x + 30) km/hr.

Time = (y + 2) hours

Distance = Speed × time

= (x + 30) (y + 2) = x(y + 2) + 30(y + 2)

= (x)(y) + (x)(2) + (30)(y) + (30)(2)

= xy + 2x + 30y + 60

Distance covered = (xy + 2x + 30y + 60) km

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