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Posted by on Tuesday, October 13, 2009 at 10:06pm.

Two professional drag racers are speeding down a 1/4-mile track. If the lead driver is traveling 1.738 feet for every 1.670 feet that the trailing car travels, and if the trailing car is going 198 miles per hour, how fast in miles per hour is the lead car traveling?

  • math - , Tuesday, October 13, 2009 at 11:24pm

    Use proportion:
    1.67 ft : 1.738 ft = 198 mph : ?

  • math - , Tuesday, June 19, 2012 at 11:10pm

    200

  • math - , Thursday, March 23, 2017 at 4:59pm

    Ratio of lead driver distance and trailing driver distance = StartFraction 1.716 Over 1.670 EndFraction
    Speed of lead car = ratio times speed of trailing car = StartFraction 1.716 Over 1.670 EndFraction ⁢ times 197 ⁢ equals 202.4miles per hour

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