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21 July, 00:33

Multistep Alex needs to varnish the top and the bottom of a dozen rectangular wooden planks. The planks are 8 feet long and 3 feet wide. Each pint of varnish covers about 125 square feet and costs $3.50. a. What is the total area that Alex needs to varnish? b. How much will it cost Alex to varnish all the wooden planks?

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  1. 21 July, 01:08
    0
    Top and bottom

    find area of each plank top and m ultiply by 2 then by number of planks

    8*3*2*12 (dozen=12)

    576

    he needs to varnish 576 ft^2

    how many 125's are at least 576 (round up since he can't buy fractios of a pint probably)

    125x>576

    dividee both sides by 125

    x>4.608

    x=5

    5 times 3.5=17.5

    a. 576 ft^2

    b. $17.5
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Home » Mathematics » Multistep Alex needs to varnish the top and the bottom of a dozen rectangular wooden planks. The planks are 8 feet long and 3 feet wide. Each pint of varnish covers about 125 square feet and costs $3.50. a.
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