math

An airplane leaves Atlanta at 2 PM and flies north at 250 miles per hour. A second airplane leaves Atlanta 30 minutes later and flies north at 280 miles per hour. At what time will the second airplane overtake the first?
Answer Choices
6:20 PM
6:00 PM
6:40 PM
6:50 PM
7:10 PM

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  1. 250mi/h * 0.5h = 125 mile head start.

    280T = 125 + 250T.
    30T = 125, T = 4.17 Hours. = 4h and 10 Min. to catchup.

    2:30 + 4:10 = 6:40 PM.

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  2. 6:20

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  3. the answer is obviously 6:40 henry goes in to detail onto why that is.

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