document.write( "Question 1169348: What to do:
\n" ); document.write( "a. Make a diagram of the situation.
\n" ); document.write( "b. Plot the number of t-shirt sell, time (per week) and cost (in peso) and answer the following:
\n" ); document.write( "1.) Write a quadratic function in standard form that models the revenue from t-shirt sales.
\n" ); document.write( "2.) What price produces the maximum revenue?\r
\n" ); document.write( "\n" ); document.write( "Scenario #2
\n" ); document.write( "A garments store sells about 40 t-shirts per week at a price of Php100 each. For each Php10 decrease in price, the sales lady found out that 5 more t-shirts per week were sold. \n" ); document.write( "

Algebra.Com's Answer #794029 by josgarithmetic(39617) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "PRICE       QTY       REVENUE\r\n" );
document.write( "100         40         (100)(40)\r\n" );
document.write( "100-10      40+5        (100-10)(40+5)\r\n" );
document.write( ".\r\n" );
document.write( ".\r\n" );
document.write( "100-x      40+x/2      (100-x)(40+x/2)\r\n" );
document.write( "

\n" ); document.write( " $\"R%28x%29=%28100-x%29%2840%2Bx%2F2%29\"$ for each dollar decrease in price x.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Middle of the two roots is at x=10, for maximum revenue.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Price for max. revenue, 90Php. \n" ); document.write( "

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