Answer:
62
Step-by-step explanation:
Since you know that JK + KL = JL, this would be:
27 + 3x - 1 = 5x + 2
Now, solve this equation:
combine like terms first

subtract 3x from both sides

subtract 2 from both sides

divide both sides by 2

Since you want to find JL and JL = 5x + 2, plug x = 12 into that equation.

Answer:
8.333
Step-by-step explanation:
Well a markup is the amount added to the current price so 75% added to 27$ then subtract 40%
Answer:
z+y/5=x or z/5 + y/5 = x
Step-by-step explanation:
z=5x-y
add y to both sides
z+y=5x
divide both sides by 5
z+y/5=x or z/5 + y/5 = x