SOLUTION: Two cars traveling toward each other are 400 miles apart. Car a is traveling 20 miles per hour faster than car b. The cars pass after 4 hours. How fast is each car traveling?

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Question 358881: Two cars traveling toward each other are 400 miles apart. Car a is traveling 20 miles per hour faster than car b. The cars pass after 4 hours. How fast is each car traveling?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
4%2A%28B+%2B+20%29%2B+4%2AB+=+400.
B+%2B+20+%2B+B+=+100, after dividing both sides by 4.
2B+=+80,
B+=+40miles per hour, the speed of B.
A+=+60miles per hour, the speed of A.