SOLUTION: Two cars start 15 miles apart and travel in a straight line toward each other. If they are going at 20 and 55 miles per hour, respectively, how long does it take for them to meet u

Question 874889: Two cars start 15 miles apart and travel in a straight line toward each other. If they are going at 20 and 55 miles per hour, respectively, how long does it take for them to meet up?
Found 2 solutions by reviewermath, josgarithmetic:
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
Two cars start 15 miles apart and travel in a straight line toward each other. If they are going at 20 and 55 miles per hour, respectively, how long does it take for them to meet up?
A;
Let x = time it takes for them to meet up
20x + 55x = 15
75x = 15
x = 15/75 = 1/5 hours = 12 minutes
Answer by josgarithmetic(39613) (Show Source): You can put this solution on YOUR website!
They are approaching each other at 20+55=75 miles per hour.

12 minutes
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