document.write( "Question 511163: a company wants to mix 25 pounds of peanuts worth $3 a pound with cashews worth $6 a pound in order to make an experimental mix worth $4.50 a pound. How many pounds of cashews should be added to the peanuts? \n" ); document.write( "
Algebra.Com's Answer #342029 by Maths68(1474)![]() ![]() You can put this solution on YOUR website! Cashew=c \n" ); document.write( "Total cost of Cashews=$6c \n" ); document.write( "Peanuts=25 lb \n" ); document.write( "Total cost of Peanuts=3*25=$75 \n" ); document.write( "Mixture=m lb \n" ); document.write( "Total cost of mixture = $4.50(m) \n" ); document.write( "================================================================= \n" ); document.write( "Cashew+Peanuts=mixture \n" ); document.write( "c+25=m \n" ); document.write( "c=m-25................(1) \n" ); document.write( "================================================================ \n" ); document.write( "Total cost of Cashews+Total cost of Peanuts=Total cost of mixture \n" ); document.write( "6c+75=4.50m \n" ); document.write( "6c=4.50m-75 \n" ); document.write( "6c/6=(4.50m-75)/6 \n" ); document.write( "c=(4.50m-75)/6...........(2) \n" ); document.write( "================================================================ \n" ); document.write( "Put the value of c from (1) to (2) \n" ); document.write( "c=(4.50m-75)/6...........(2) \n" ); document.write( "m-25=(4.50m-75)/6 \n" ); document.write( "6(m-25)=4.50m-75 \n" ); document.write( "6m-150=4.50m-75 \n" ); document.write( "6m-4.50m=-75+150 \n" ); document.write( "1.5m=75 \n" ); document.write( "1.5m/1.5=75/1.5 \n" ); document.write( "m=50 \n" ); document.write( "Put the value of m in (1) \n" ); document.write( "c=m-25................(1) \n" ); document.write( "c=50-25 \n" ); document.write( "c=25\r \n" ); document.write( "\n" ); document.write( "================================================================================ \n" ); document.write( "Cashew=c = 25lb \n" ); document.write( "Total cost of Cashews=$6c = 6*25= $150 \n" ); document.write( "Peanuts=25 lb \n" ); document.write( "Total cost of Peanuts=3*25=$75 \n" ); document.write( "Mixture=m lb = 50 lb \n" ); document.write( "Total cost of mixture = $4.50(50)=$225 \n" ); document.write( "=============================================================================== \n" ); document.write( "Check \n" ); document.write( "Cashew(lb)+Peanuts(lb)=mixture(lb) \n" ); document.write( "25+25=50 \n" ); document.write( "50 lb =50 lb\r \n" ); document.write( "\n" ); document.write( "Total cost of Cashews+Total cost of Peanuts=Total cost of mixture \n" ); document.write( "6*25+3*25=4.5*50 \n" ); document.write( "150+75=225 \n" ); document.write( "225=225\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |