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A plane takes 2 hours and 45 minutes to cover the distance between two airports.travels 20 km/h slower then it takes 3 hours. Find the speed of the plane. Also, find thedistance between the two airports |
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Answer» D=rtDistance is samelet x be the speedD=2 3/4 *x==11/4 xspeed x-20d= (x-20)*3equate both11/4 x = (x-20)*311x= 12(x-20)11x=12x-24012x=11x=240x= 240speed = 240 kphd=rtd= 11/4 * 240d=11*60=660 km Like my answer if you find it useful! |
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