SOLUTION: your brother leaves on a trip, fogetting his suitcase. you know that he normally drives at a speed of 55 mph. you do not discover the suitcase until 1 hour later after he has left.

Question 309291: your brother leaves on a trip, fogetting his suitcase. you know that he normally drives at a speed of 55 mph. you do not discover the suitcase until 1 hour later after he has left. if you follow him at a speed of 65 mph, how long will it takes you to catch up with him?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

If he has been gone an hour and travels at 55 mph, then he is 55 miles ahead of you. You are going 10 mph faster. How long would it take to go 55 miles at 10 miles per hour?

John

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