document.write( "Question 179220: A 10\" pepperoni pizza serves 4 people and costs $4.50 and a 13\" pepperoni pizza serves 6 people and costs $7.50. There are 12 people coming to your pizza party and you plan to serve each guest 2 pieces of pizza without spending any more money than you have to. Answer the following question - I will order (how many)_______ (size)_______ pizzas because________________________________ \n" ); document.write( "
Algebra.Com's Answer #134165 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "The 10\" pizza costs $1.13 per person (), the 13\" pizza costs $1.25 per person (), so to minimize your cost, you serve the smaller pizzas. Of course, any of your guests who are mathematicians will recognize you as a cheapskate because the portions of the smaller pizza are about 2.5 square inches smaller than the portions of the larger pizza.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "\n" ); document.write( "\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "==================================
\n" ); document.write( "As long as we are talking about pizzas, I might as well share the Great Pizza Theorem.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "We all know that the volume of a right circular cylinder is given by where r is the radius of the base and h is the height.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Hence, the volume of a pizza with radius z and thickness a would be .\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "But . Therefore, the volume of pizza is pizza!\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "John
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" );