document.write( "Question 1141699: Jose recently took a history test that had certain questions worth three points each. He correctly answered the same number of 3-point questions as 5-point questions, and earned a score of 72 points. How many 5-point questions did he answer correctly? \n" ); document.write( "
Algebra.Com's Answer #762287 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Jose recently took a history test that had certain questions worth three points each. \n" ); document.write( " He correctly answered the same number of 3-point questions as 5-point questions, and earned a score of 72 points. \n" ); document.write( " How many 5-point questions did he answer correctly? \n" ); document.write( ": \n" ); document.write( "let a = no. of 3 pt and no. of 5 pt questions \n" ); document.write( "3a + 5a = 72 \n" ); document.write( "8a = 72 \n" ); document.write( "a = 72/8 \n" ); document.write( "a = 9 ea 5 pt questions (and 9 ea 3 point questions) \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check: 3(9) + 5(9) = 72 \n" ); document.write( " \n" ); document.write( " |