Is there an equation for this?
The simplest form of 204/72
=17/6
They mowed total of 11/15 (5/15 + 2/5) already, so they still have 4/15.
Answer:
Solving the equation
for variable n we get 
Step-by-step explanation:
We need to solve the equation
for variable n
Solving:

Subtract both sides by 6p

Switch sides of equality

Divide both sides by 3

So, solving the equation
for variable n we get 