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MathematicsMathematics
13 August, 17:36

The winning car in a race traveled the race distance of 450 miles at an average speed of 120 miles per hour (mph). The car finished the race in 3 hours and 45 minutes. The last car to cross the finish line took 4 hours and 30 minutes. What was its average speed?

a. 104.7 mph

b. 100 mph

c. 112.5 mph

d. 90 mph

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Answers (1)
  1. L
    13 August, 18:16
    0
    Answer:b

    Step-by-step explanation:

    450 divide by 4 hours and 30 minutes is 100 because 4 hours and 30 minutes is 4.5 hours so 450/4.5 is 100
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