document.write( "Question 252791: Divide 105 peaches into three bags such that bag B shall have four times the
\n" ); document.write( "peaches in bag A, and bag C will be twice the sum of bag A and bag B. How many peaches in bag C?\r
\n" ); document.write( "\n" ); document.write( "A) 7 B) 28 C) 60 D) 70 E) 80
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Algebra.Com's Answer #184856 by Theo(13342)\"\" \"About 
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a + b + c = 105\r
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\n" ); document.write( "\n" ); document.write( "a,b,c represent the amount of peaches in bags A, B, and C.\r
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\n" ); document.write( "\n" ); document.write( "b = 4*a; (bag B has 4 times the peaches in bag A).\r
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\n" ); document.write( "\n" ); document.write( "c = 2 * (a + b); (bag C contains 2 times the amount in bags A and B).\r
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\n" ); document.write( "\n" ); document.write( "since b = 4*a, then:\r
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\n" ); document.write( "\n" ); document.write( "c = 2 * (a + b) becomes:\r
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\n" ); document.write( "\n" ); document.write( "c = 2 * (a + 4*a).\r
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\n" ); document.write( "\n" ); document.write( "remove parentheses to get:\r
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\n" ); document.write( "\n" ); document.write( "c = 2*a + 8*a = 10*a\r
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\n" ); document.write( "\n" ); document.write( "we have:\r
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\n" ); document.write( "\n" ); document.write( "b = 4*a
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\n" ); document.write( "\n" ); document.write( "a + b + c = 105 becomes:\r
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\n" ); document.write( "\n" ); document.write( "a + 4*a + 10*a = 105 which becomes:\r
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\n" ); document.write( "\n" ); document.write( "15*a = 105\r
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\n" ); document.write( "\n" ); document.write( "solve for a to get:\r
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\n" ); document.write( "\n" ); document.write( "a = 105/15 = 7\r
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\n" ); document.write( "\n" ); document.write( "b = 4*a = 4 * 7 = 28\r
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\n" ); document.write( "\n" ); document.write( "c = 10*a = 10*7 = 70\r
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\n" ); document.write( "\n" ); document.write( "70 + 28 + 7 = 105 (this is good).\r
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\n" ); document.write( "\n" ); document.write( "b = 2 * (a + b) = 2 * (7 + 28) = 2 * 35 = 70 (this is also good).\r
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\n" ); document.write( "\n" ); document.write( "You have confirmed that:\r
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\n" ); document.write( "\n" ); document.write( "bag A contains 7 peaches
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\n" ); document.write( "\n" ); document.write( "Your answer is bag C contains 70 peaches which is selection D.\r
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