In the manufacturing of bar stools the cost of producing a bar stool varies inversely as the square of the number produced.

if 100 bar stools are produced, the cost is $5 each.
Find the cost to produce both 500, and 1000 bar stools.

You have to summarize it in your own words, and then explain the produces for solving this kind of inverse variation problem.

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?

Which of the following equations is equivalent to x/3-6/x=1