document.write( "Question 1026525: I need help with this problem, tristian paid $17.50 to buy 2 pounds of peanuts and 3 pounds of cashews. Rivka paid $19.00 to buy 5 pounds of peanuts and 2 pounds of cashews. If both paid the same price per pound, what was the price per pound for the cashews? \n" ); document.write( "
Algebra.Com's Answer #641743 by rothauserc(4718)![]() ![]() You can put this solution on YOUR website! 1) 2p + 3c = 17.50 \n" ); document.write( "2) 5p + 2c = 19.00 \n" ); document.write( ": \n" ); document.write( "Solve equation 1 for p \n" ); document.write( ": \n" ); document.write( "p = (17.50 - 3c) / 2 \n" ); document.write( ": \n" ); document.write( "Substitute for p in second equation \n" ); document.write( ": \n" ); document.write( "(5(17.50 - 3c) / 2) + 2c = 19.00 \n" ); document.write( ": \n" ); document.write( "Multiply both sides of = by 2 \n" ); document.write( ": \n" ); document.write( "(5(17.50 - 3c)) + 4c = 38.00 \n" ); document.write( ": \n" ); document.write( "87.50 - 15c + 4c = 38.00 \n" ); document.write( ": \n" ); document.write( "-11c = -49.50 \n" ); document.write( ": \n" ); document.write( "c = 4.50 \n" ); document.write( ": \n" ); document.write( "**************************** \n" ); document.write( "Cashews are $4.50 per pound \n" ); document.write( "**************************** \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( " |