document.write( "Question 1189838: two mechanics worked on a car. the first mechanic charged 65$ per hour. the second mechanic charged $90 per hour. The mechanics worked for a combined total of 15 hours, and together they charged a total of $1100. how long did each mechanic work \n" ); document.write( "
Algebra.Com's Answer #821328 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! two mechanics worked on a car. the first mechanic charged 65$ per hour. the second mechanic charged $90 per hour. The mechanics worked for a combined total of 15 hours, and together they charged a total of $1100. how long did each mechanic work \n" ); document.write( "--------------------------- \n" ); document.write( "f + s = 15 --- total hours \n" ); document.write( "65f + 90s = 1100 --- cost \n" ); document.write( "================ \n" ); document.write( "etc \n" ); document.write( " \n" ); document.write( " |