document.write( "Question 966875: A school wants to purchase some round tables and some rectangular tables. The costs of one of one round table and one rectangular table are $20 and $25, respectively. The school wants to spend at most $1000. Represent this problem for the purchase of x round tables and y rectangular tables graphically. \n" ); document.write( "
Algebra.Com's Answer #590951 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A school wants to purchase some round tables and some rectangular tables. \n" ); document.write( " The costs of one of one round table and one rectangular table are $20 and $25, respectively. \n" ); document.write( " The school wants to spend at most $1000. \n" ); document.write( " Represent this problem for the purchase of x round tables and y rectangular tables graphically. \n" ); document.write( ": \n" ); document.write( "let x = no. of round tables \n" ); document.write( "let y = no. of rect tables \n" ); document.write( "then \n" ); document.write( "20x + 25y =< 1000 \n" ); document.write( "put the equation in the slope intercept form \n" ); document.write( "25y =< -20x + 1000 \n" ); document.write( "divide by 25 \n" ); document.write( "y =< -.8x + 40 \n" ); document.write( "plot this equation, let's use x=10, x=30 \n" ); document.write( " x | y \n" ); document.write( "------ \n" ); document.write( "10 | 32 \n" ); document.write( "30 | 16 \n" ); document.write( " \n" ); document.write( "Area of feasibility at or below the line \n" ); document.write( "For example, if you get 25 round tables, you can get 20 rect tables, (green line) \n" ); document.write( "25 * $20 = 500 \n" ); document.write( "20 * $25 = 500 \n" ); document.write( "--------------- \n" ); document.write( "total is $1000 \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Make sense?? \n" ); document.write( " \n" ); document.write( " |