Posted by John on Monday, October 28, 2013 at 4:11pm.
a car repair shop charge $80 per hour for labor and $210 for the parts of a car . if the total cost of repair for the car was $490 , how many hours did it take ro repair the car ?

Algebra  bobpursley, Monday, October 28, 2013 at 4:13pm
total cost=80*h+210
solve for h.
subtract 210 from each side
divide each side by 80