Answer:

Step-by-step explanation:
If x is inversely porportionaly to y, then for some constant k,

Since y is 4 when x = 18, k is equal to 4*18=72, so the equation is:

Answer:
Step-by-step explanation:
Answer:
240000
You have you multiply 40*6,000=240000. So that is your answer.
Answer:
the answer is -6x-y
Step-by-step explanation:
I'm good at math