document.write( "Question 1144667: Ref. Question 1144481:\r
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document.write( "An acre field has 3 plants per hill. The rows are 3'6\" apart, with hills 3'6\" apart. **\r
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document.write( "Calculate total number of plants.\r
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document.write( "3'6\" = 3.5 ft.\r
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document.write( "An acre = 43560 ft.\r
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document.write( "p = number of plants.\r
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document.write( "** Information about the hills was excluded in original post.\r
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document.write( "Not sure how to solve. Non-homework.\r
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Algebra.Com's Answer #765848 by greenestamps(13198)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The planting scheme is still not described clearly enough. \n" ); document.write( "The two answers from other tutors simply calculate how many square hills 3 feet 6 inches on a side will fit in an acre. That interpretation means the hills are all adjacent to each other -- which means they aren't hills at all. \n" ); document.write( "With rows 3 feet 6 inches apart, and the hills 3 feet 6 inches apart (in each row), I think the arrangement of the hills (\"XXXXX\") looks something like this (pardon the crude text \"drawing\"): \r\n" ); document.write( "\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " ...|XXXXX| |XXXXX| |XXXXX| |XXXXX| <-- row; hills 3'6\" apart\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " | | | | | | | | <-- 3'6\" between rows\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " ...|XXXXX| |XXXXX| |XXXXX| |XXXXX| <-- row; hills 3'6\" apart\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " | | | | | | | | <-- 3'6\" between rows\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " ...|XXXXX| |XXXXX| |XXXXX| |XXXXX| <-- row; hills 3'6\" apart\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " | | | | | | | | <-- 3'6\" between rows\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " ...|XXXXX| |XXXXX| |XXXXX| |XXXXX| <-- row; hills 3'6\" apart\r\n" ); document.write( " +-----+-----+-----+-----+-----+-----+-----+\r\n" ); document.write( " etc.... \n" ); document.write( "With that scheme, it can be seen that 1/4 of the area of the field is hills where the plants are planted. \n" ); document.write( "So I would guess the desired answers are 1/4 the number of hills and therefore 1/4 the number of plants shown by the other two tutors. \n" ); document.write( "Area of each square: 3.5^2 = 12.25 square feet \n" ); document.write( "Number of squares of area 12.25 square feet each in an acre: 43560/12.25 = 3556 \n" ); document.write( "Number of hills: 3556/4 = 889 \n" ); document.write( "Number of plants: 889*3 = 2667 \n" ); document.write( " \n" ); document.write( " |