document.write( "Question 1130884: Jackie got a loan at 7% and another at 10% amounting to php 27 000. If the annual interest on both is php 2 250, how much did she borrow at each rate?! \n" ); document.write( "
Algebra.Com's Answer #747502 by ikleyn(52781)\"\" \"About 
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document.write( "    x +     y = 27000        (1)    (where x and y are amounts of the loans)\r\n" );
document.write( "0.07x + 0.10y =  2250        (2)\r\n" );
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document.write( "From eq(1), express x = 27000-y  and substitute it into eq(2), replacing y. You will get\r\n" );
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document.write( "0.07*(27000-y) + 0.10y = 2250.\r\n" );
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document.write( "Solve it for y.  Then evaluate  x = 27000-y.\r\n" );
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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
\n" ); document.write( "\n" ); document.write( "in this site.\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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\n" ); document.write( "\n" ); document.write( "to your archive and use it when it is needed.\r
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