Please explain how to solve this equation with substitution: The owner of a hair salon charges $20 more per haircut than the assistant. Yesterday the assistant gave 12 haircuts. The owner gave 6 haircuts. The total earnings from haircuts were $750. How much does the owner charge for the haircut? Solve by writing and solving a system of equations.
Math - bobpursley, Wednesday, December 28, 2011 at 5:32pm
put the first equation into the second.
now simplify, solve for A.