document.write( "Question 1172052: Syafiq, a college student earned RM 5800 during summer vacation working as a waiter in
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\n" ); document.write( "If Syafiq received a total of RM 444 in interest at the end of the year, how much was
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Algebra.Com's Answer #796958 by ikleyn(52781)\"\" \"About 
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document.write( "Let x = how much was invested at 10%.\r\n" );
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document.write( "Then 5800-x was invested at 6%.\r\n" );
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document.write( "The total interest equation is\r\n" );
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document.write( "    0.1x + 0.06(5800-x) = 444.\r\n" );
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document.write( "From the equation\r\n" );
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document.write( "    x = \"%28444-0.06%2A5800%29%2F%280.1-0.06%29\" = 2400.      ANSWER\r\n" );
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\n" ); document.write( "\n" ); document.write( "It is a standard and typical problem on investments.\r
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\n" ); document.write( "\n" ); document.write( "If you need more details,  or if you want to see other similar problems solved by different methods,  look into the lesson \r
\n" ); document.write( "\n" ); document.write( "    - Using systems of equations to solve problems on investment\r
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\n" ); document.write( "\n" ); document.write( "You will find there different approaches  (using one equation or a system of two equations in two unknowns),  as well as
\n" ); document.write( "different methods of solution to the equations  (Substitution,  Elimination).\r
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\n" ); document.write( "\n" ); document.write( "Also,  you have this free of charge online textbook in ALGEBRA-I in this site\r
\n" ); document.write( "\n" ); document.write( "    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.\r
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\n" ); document.write( "\n" ); document.write( "The referred lesson is the part of this online textbook under the topic  \"Systems of two linear equations in two unknowns\".\r
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\n" ); document.write( "\n" ); document.write( "Save the link to this online textbook together with its description\r
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\n" ); document.write( "\n" ); document.write( "Free of charge online textbook in ALGEBRA-I
\n" ); document.write( "https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson\r
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