SOLUTION: 1. When travelling at a fixed speed, travel time is directly proportional to distance travelled. If you go 120 miles in 3 hours, how long would a trip of 200 miles take?

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Question 408630: 1. When travelling at a fixed speed, travel time is directly proportional to distance travelled. If you go 120 miles in 3 hours, how long would a trip of 200 miles take?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Let x represent time a trip of 200 miles would take

Question Sets Up a Proportion:

 +120%2F3+=+200%2Fx   |cross multiplying to solve for x

  120x = 600

    x = 5 hrs, time a trip of 200 miles would take



CHECKING our Answer***

 120/3 = 200/5 = 40