If one plane is flying at 40mph. While another is flying at 100mph. They are 200 miles apart, how long will it take them to coll
ide if they are going in the same direction
1 answer:
Answer:
1 and 3/7 hour
Step-by-step explanation:
Every hour they get 140 miles closer (100 + 40). So you divide 200 by 140 which gets you 1.42... or 1 and 3/7 of an hour.
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