SOLUTION: Kent drives his Mazda 150 miles in the same time that it takes Dave to drive his Nissan 135 miles. If Kent averages 5 miles per hour faster than Dave, find their rates.

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 Question 514053: Kent drives his Mazda 150 miles in the same time that it takes Dave to drive his Nissan 135 miles. If Kent averages 5 miles per hour faster than Dave, find their rates. Answer by mananth(12270)   (Show Source): You can put this solution on YOUR website!Dave x mph Kent 5 faster = x+ 5 Dave 135 miles Kent 150 miles Dave time = Kent time t=d/r 135 / x = 150 /( x + 5 ) cross multiply 135 ( x + 5 ) = 150 x 135 x + 675 = 150 x 150 x - 135 x = 675 15 x = 675 / 15 x = 45 mph Dave 50 mph Kent m.ananth@hotmail.ca