To inverse it the answer might be (2x)
Step-by-step explanation:
The graph of rectangular hyperbola represents the function f(x)=4/x.
Answer:
Equation: 3x-20+x=180
4x-20=180
4x=200
x=50
Step-by-step explanation:
20% of 500 is 100, so take 100 off 500, which is 400. So, $400.
