document.write( "Question 1174486: Albert would like to donate RM x to three relatives with nickname as P, Q and R. The ratio of
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document.write( "money received by P, Q and R is 3 : 4 : 2.
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document.write( "If Albert now has another new fund which is four times of RM x to be contributed among
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document.write( "them. R receives triple amount she has from beginning, while the ratio of money received
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document.write( "by P and Q is 4 : 5. Write the ratio of the money they have now among P, Q and R. \n" );
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Algebra.Com's Answer #800047 by Theo(13342)![]() ![]() You can put this solution on YOUR website! p to q to r = 3 to 4 to 2 when the total distributed is equal to x.\r \n" ); document.write( "\n" ); document.write( "if x = 9, then:\r \n" ); document.write( "\n" ); document.write( "p = 3 \n" ); document.write( "q = 4 \n" ); document.write( "r = 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "when x = 9, 4x = 36 and r is tripled to equal 6.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the ratio of r to the total is 6/36 = 1/6 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this means that p + q = 5/6 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since p / q = 4 / 5, then solve for p to get p = 4/5 * q\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since p + q = 5/6 * the total, replace p with 4/5 * q to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4/5 * q + q = 5/6 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get 9/5 * q = 5/6 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for q to get q = 5/9 * 5/6 * the total = 20/54 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since p/q = 4/5, solve for q to get q = 5/4 * p\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "since p + q = 5/6 * the total, replace q with 5/4 * p to get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "p + 5/4 * p = 5/6 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "combine like terms to get 9/4 * p = 5/6 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "solve for p to get p = 4/9 * 5/6 * the total = 20/54 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "r = 1/6 * the total * 9/9 = 9/54 * the total.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "you get:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "p = 20/54 * the total \n" ); document.write( "q = 25/54 * the total \n" ); document.write( "r = 9/54 * the total\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "the ratio of p to q to r becomes 20 to 25 to 9.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "to test if this is correct, do the following:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let x = 27 \n" ); document.write( "p = 3/9 * 27 = 9 \n" ); document.write( "q = 4/9 * 27 = 12 \n" ); document.write( "r = 2/9 * 27 = 6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "then 4x = 4 * 27 = 108 \n" ); document.write( "p = 20/54 * 108 = 40 \n" ); document.write( "q = 25/54 * 108 = 50 \n" ); document.write( "r = 9/54 * 108 = 18\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "r is equal to 6 when x = 27 \n" ); document.write( "r is equal to 18 when 4x = 108\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "when the total is 108, r becomes 3 times what it was when the total was 27. \n" ); document.write( "this can also be shown as: \n" ); document.write( "when the total is 4x, r becomes 3 times what it was when the total was x.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "i'll go with:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "if the total is x, then the ratio of p to q to r is 3 to 4 to 2. \n" ); document.write( "if the total is 4x, then the ratio of p to q to r is 20 to 25 to 9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "it's a little messy, but i think it's right.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "let me know if this is the answer they are looking for.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "theo \n" ); document.write( " |