document.write( "Question 912959: A student at college can take 1-credit, 2 credit, and 4-credit courses. Over two semesters, a student took a total of 10 courses and earned 32 credits toward graduation. The number of 2-credit courses he took was two-thirds the number of 4-credit courses he took. How many of each type of course did the student take over the two semesters? \n" ); document.write( "
Algebra.Com's Answer #554221 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! a+2b+4c=32, \n" ); document.write( "a+b+c=10, \n" ); document.write( "b+3c=22\r \n" ); document.write( "\n" ); document.write( "b=2c/3 \n" ); document.write( "2c/3+3c=22 \n" ); document.write( "2c+9c=66 \n" ); document.write( "11c=66 \n" ); document.write( "c=6 4 credit \n" ); document.write( "b=4 2 credit \n" ); document.write( "a=0 1 credit \n" ); document.write( " \n" ); document.write( " |