document.write( "Question 1040005: A yard that is to be covered with mats of grass is shaped like a trapezoid. the bases are 80 feet and 100 feet and the height is 60 feet. What is the cost of putting the grass mats on the yard if the landscape charges $0.35 per square foot ? \n" ); document.write( "

Algebra.Com's Answer #654827 by KMST(5328) $\"\"$ $\"About$

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The area of a trapezoid with
\n" ); document.write( "bases $\"b%5B1%5D\"$ and $\"b%5B2%5D\"$ ,
\n" ); document.write( "and height $\"h\"$ is
\n" ); document.write( " $\"area=%28b%5B1%5D%2Bb%5B2%5D%29%2Ah%2F2\"$ .
\n" ); document.write( "In this case, the area in square feet is
\n" ); document.write( " $\"%28100%2B80%29%2A60%2F2=180%2A60%2F2=5400\"$ .
\n" ); document.write( "The cost to cover with grass 5400 square feet at $0.35 per square foot is
\n" ); document.write( " $\"5400%2A%28%22%24+0.35%22%29=%22%241990%22\"$ .
\n" ); document.write( " \n" ); document.write( "

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