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8 August, 11:31

A construction manager weighs a bundle of 9 identical bricks and a 7 pound concrete block. The bundle weighs 30 pounds.

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  1. 8 August, 12:08
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    30 = 9x + 7

    Step-by-step explanation:

    The total weight of the bundle = 30 pounds

    The weight of the bricks = x pounds

    But he carried 9 bricks = 9x pounds

    He also carried additional 7 pounds of concrete block.

    An equation to show the total weight he carried is

    30 pounds = (9x + 7) pounds

    Since 9x represents the total weight of the bricks he carried

    7 represents the weight of the concrete block

    And 30 pounds represents the total weight of everything he carried.
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