document.write( "Question 1169673: The business partners, A, B and C, share the profit as follows:
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document.write( "The ratio of A's share to B is 6:5 and the ration of B's share to C is 3:4. Determine:
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document.write( "1.1 A's share: B's share: C's share
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document.write( "1.2 the total profit if A gets $5000 less than C \n" );
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Algebra.Com's Answer #794471 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Part (1)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The ratio of A to B is 6:5 \n" ); document.write( "The ratio of B to C is 3:4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let's write the ratios together with arrows connecting them like so \n" ); document.write( "6:5 <--> 3:4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The goal is to get the inner values 5 and 3 to match up and be the same number. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "What we can do is multiply both parts of the first ratio by some number x \n" ); document.write( "6:5 turns into 6x:5x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Similarly, \n" ); document.write( "3:4 turns into 3y:4y \n" ); document.write( "for some number y\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The LCM of 5 and 3 is 15, so if x = 3 and y = 5, then we get \n" ); document.write( "6x:5x = 6*3:5*3 = 18:15 \n" ); document.write( "3y:4y = 3*5:4*5 = 15:20\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In short, we found that \n" ); document.write( "6:5 is equivalent to 18:15 \n" ); document.write( "3:4 is equivalent to 15:20 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Then looking at \n" ); document.write( "18:15 <--> 15:20 \n" ); document.write( "we see the inner values are 15 each\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "We can then link the two new ratios \n" ); document.write( "18:15 <--> 15:20 becomes 18:15:20\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer = 18:15:20\r \n" ); document.write( "\n" ); document.write( "==============================================\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Part (2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Let m be some positive number\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The ratio 18:15:20 means \n" ); document.write( "A's share = 18m \n" ); document.write( "B's share = 15m \n" ); document.write( "C's share = 20m\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So basically 18m:15m:20m is equivalent to 18:15:20 if we divide all parts by m.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Person A gets $5000 less compared to C, so, \n" ); document.write( "A = C - 5000 \n" ); document.write( "18m = 20m - 5000 \n" ); document.write( "18m-20m = -5000 \n" ); document.write( "-2m = -5000 \n" ); document.write( "m = -5000/(-2) \n" ); document.write( "m = 2500\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The total profit is \n" ); document.write( "A+B+C = 18m+15m+20m \n" ); document.write( "A+B+C = 53m \n" ); document.write( "A+B+C = 53*2500 \n" ); document.write( "A+B+C = 132,500 dollars\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Or you can calculate the individual shares \n" ); document.write( "A = 18m = 18*2500 = 45,000 \n" ); document.write( "B = 15m = 15*2500 = 37,500 \n" ); document.write( "C = 20m = 20*2500 = 50,000 \n" ); document.write( "which adds up to \n" ); document.write( "A+B+C = 45,000+37,500+50,000 = 132,500 \n" ); document.write( "which is the same value we got earlier.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer = Total profit is 132,500 dollars \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |