SOLUTION: Mr. Chandler leaves 2.5 hours before Mrs. Chandler. He drives 60mph. She drives 70mph. How long will it take for Mrs. Chandler to overtake Mr. Chandler?

SOLUTION: Mr. Chandler leaves 2.5 hours before Mrs. Chandler. He drives 60mph. She drives 70mph. How long will it take for Mrs. Chandler to overtake Mr. Chandler?

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Question 633955: Mr. Chandler leaves 2.5 hours before Mrs. Chandler. He drives 60mph. She drives 70mph. How long will it take for Mrs. Chandler to overtake Mr. Chandler?

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
60*2.5=120+30=150
She is catching up at a rate of 10mph.(70-60)
150/10=15 hours
It will take the Mrs 15 hours to catch up.
If she traveled at 75mph she would need 150/15 =10 hours to catch up.
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