1,600 vases must be produced and sold to break even.
x($28-$11)=$27,200
Simplify to 17x=27,200
Divide 17x by 17 so it cancels out.
What you do to one side of the equation you have to do to the other.
27,200/17=1,600
x=1,600
Shirley/Tracey has to stay at least 10 days for the M and N to cost less
Since we know there are π radians in 180°, then how many radians are there in 153°?
You have to multiply by a -1 both sides,
it would be 10 1/2
The answer it Curve Fitting or Arc but I think Curve Fitting just good luck