document.write( "Question 165473: a group rental a cabin for 300$ for weekend if one more person goes alonge the price per person is reduces by 10$ how many people are in the original group \n" ); document.write( "
Algebra.Com's Answer #121968 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a group rental a cabin for 300$ for weekend if one more person goes alonge the price per person is reduces by 10$ how many people are in the original group \n" ); document.write( "================= \n" ); document.write( "Let the original number in the group be \"x\". \n" ); document.write( "The average cost is (total cost)/(number of persons) \n" ); document.write( "Average cost per person is 300/x dollars. \n" ); document.write( "-------------------------- \n" ); document.write( "If one more person joins the average cost will be 300/(x+1) dollars. \n" ); document.write( "------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "original cost - new cost = 10 dollars \n" ); document.write( "300/x - 300/(x+1) = 1o \n" ); document.write( "300x + 300 - 300x = 10x(x+1) \n" ); document.write( "x(x+1) = 30 \n" ); document.write( "x^2+x-30 = 0 \n" ); document.write( "(x+6)(x-5)=0 \n" ); document.write( "x = 5 (original size of the group was 5) \n" ); document.write( "========================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |