Mathematics, 28.02.2020 20:51, ricardoamora54

Alex needs to varnish the top and 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. What is the total area that Alex needs to varnish?

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Alex needs to varnish the top and bottom of a dozen rectangular wooden planks. The planks are 8 feet...