document.write( "Question 20185: Dear Tutor,\r
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document.write( " For this problem I came up with the answer of 1248. I took 780 and divided it by 5/8.
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document.write( "2. 5/8 of the vehicles in the parking lot are cars. The rest are vans and trucks. If
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document.write( "there are 780 cars in the lot, how many total vehicles are in the lot?
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document.write( "No answer choices given.
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document.write( " For this problem I took 1600 and divided it by 2 and multiply it by 7.
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document.write( " 3. A computer store sells seven times as many printers as fax machines. If sales for the
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document.write( "month totaled 1,600 pieces, how many printers were sold?
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document.write( "No answer choices given.\r
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document.write( "Am I doing solving these problems right.\r
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document.write( "Thank you,
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document.write( "Confused \n" );
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Algebra.Com's Answer #9732 by mmm4444bot(95)![]() ![]() ![]() You can put this solution on YOUR website! Hello There:\r \n" ); document.write( "\n" ); document.write( "Your method and solution on the first problem are correct.\r \n" ); document.write( "\n" ); document.write( "The second problem is not correct. If you divide 1600 by 2 and then multiply by 7, you get 5600. This is too high because only 1600 units were sold.\r \n" ); document.write( "\n" ); document.write( "Let x = the number of fax machines sold\r \n" ); document.write( "\n" ); document.write( "Now we can use this variable to write an expression for the number of printers sold.\r \n" ); document.write( "\n" ); document.write( "7*x = the number of printers sold.\r \n" ); document.write( "\n" ); document.write( "The total number of fax machines and printers sold is 1600.\r \n" ); document.write( "\n" ); document.write( "x + 7*x = 1600\r \n" ); document.write( "\n" ); document.write( "8*x = 1600\r \n" ); document.write( "\n" ); document.write( "x = 1600/8 = 200\r \n" ); document.write( "\n" ); document.write( "The number of printers sold is 7 times this amount.\r \n" ); document.write( "\n" ); document.write( "7*200 = 1400\r \n" ); document.write( "\n" ); document.write( "There were 1,400 printers sold.\r \n" ); document.write( "\n" ); document.write( "~ Mark \n" ); document.write( " \n" ); document.write( " |