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25 November, 01:38

Robert wants to put lights around of his deck. The deck is 49 feet long and 23 feet wide. How many yards of lights does he need?

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  1. 25 November, 05:14
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    48

    Step-by-step explanation:

    If we assume that lights are put on all four sides of the rectangular deck, the perimeter length of the deck is ...

    P = 2 (L+W) = 2 (49 ft + 23 ft) = 2 (72 ft) = 144 ft

    There are 3 ft in each yard, so this length is ...

    (144 ft) * (1 yd) / (3 ft) = 48 yd

    Robert needs 48 yards of lights.
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