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12 June, 02:41

Mary lives 1365 miles from Brady. Brady drives at a constant rate of 60 mph and Mary travels at a constant rate of 45 mph. If they start driving toward each other at the same time on the same road, how many hours will it take them to meet?

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  1. 12 June, 04:08
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    Let X be the number of hours

    Brady drives 60 mph for X number of hours, which is written as 60x.

    Mary drives 45 mph for x number of hours, which is written as 45x.

    The equation to solve for the number of hours is:

    60x + 45x = 1365

    Simplify:

    105x = 1365

    Divide both sides by 105:

    x = 1365 / 105

    x = 13 hours.
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