a car moves at at a uniform speed of(x+30)km/hr.find the distance covered by the car in (y+2) hrs.
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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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