document.write( "Question 38345: a car travelled 450 miles in 7.5 hours. a traffic accident cut the car's driving speed in half for 1.5 hours. what was the car's speed for the remainder of the trip? \n" ); document.write( "
Algebra.Com's Answer #23849 by fractalier(6550)\"\" \"About 
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Remember that distance = rate * time, or D = RT.
\n" ); document.write( "So if the car travels 450 miles in 7.5 hours, its rate is
\n" ); document.write( "R = D/T = 450/7.5 = 60 mph
\n" ); document.write( "If that speed is cut in half, the new rate is 30 mph.
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