document.write( "Question 655017: A Basketball team scored 87 points in 2 point and 3 point baskets. If the 2 point baskets had been 3 point baskets, and the 3 point baskets had been 2 points, the team would have scored 93 points. Find how many 2 point baskets and how many 3 point baskets the team scored. \n" ); document.write( "
Algebra.Com's Answer #408912 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! A Basketball team scored 87 points in 2 point and 3 point baskets. If the 2 point baskets had been 3 point baskets, and the 3 point baskets had been 2 points, the team would have scored 93 points. Find how many 2 point baskets and how many 3 point baskets the team scored. \n" ); document.write( ". \n" ); document.write( "Let x = number of 2-point baskets \n" ); document.write( "and y = number of 3-point baskets \n" ); document.write( ". \n" ); document.write( "Because we have two unknowns, we need to find two equations: \n" ); document.write( ". \n" ); document.write( "From: \"A Basketball team scored 87 points in 2 point and 3 point baskets.\" we get: \n" ); document.write( "2x + 3y = 87 (equation 1) \n" ); document.write( ". \n" ); document.write( "And from: \"If the 2 point baskets had been 3 point baskets, and the 3 point baskets had been 2 points, the team would have scored 93 points\" we get: \n" ); document.write( "2y + 3x = 93 (equation 2) \n" ); document.write( ". \n" ); document.write( "solve equation 1 for y: \n" ); document.write( "2x + 3y = 87 \n" ); document.write( "3y = 87-2x \n" ); document.write( "y = 29-(2/3)x \n" ); document.write( ". \n" ); document.write( "substitute above into equation 2 to solve for x: \n" ); document.write( "2y + 3x = 93 \n" ); document.write( "2(29-(2/3)x) + 3x = 93 \n" ); document.write( "58-(4/3)x + 3x = 93 \n" ); document.write( "-(4/3)x + 3x = 35 \n" ); document.write( "-4x + 9x = 105 \n" ); document.write( "5x = 105 \n" ); document.write( "x = 21 (number of 2-point baskets) \n" ); document.write( ". \n" ); document.write( "To find number of 3-point baskets, substitute back into equation 1: \n" ); document.write( "2x + 3y = 87 \n" ); document.write( "2(21) + 3y = 87 \n" ); document.write( "42 + 3y = 87 \n" ); document.write( "3y = 45 \n" ); document.write( "y = 15\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |