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EasyArea & perimeter
OpenStax, Contemporary Mathematics §10.6 Area · Example 7 · Geometry · Area & perimeter

Area · Example 7

A sod farmer wants to fertilize a rectangular plot of land 150 ft by 240 ft. A bag of fertilizer covers and costs $200. How much will it cost to fertilize the entire plot of land?

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OpenStax, Contemporary Mathematics · §10.6 Area · Example 7

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