The force f needed to loosen a bolt with a wrench varies inversely with the lenth i of the handle. write an equation relating fand i, given that 250 pounds of force
must be exerted to loosen a bolt when using a wrench with a handle 6 inches long. how much must be exerted when using a wrench with a handle 24 inches long?

1. according to the internal revenue service, the mean tax refund for the year 2007 was $2,708. assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution. a. what percent of the refunds are more than $3,000? b. what percent of the refunds are more than $3,000 but less than $4,000? c. what percent of the refunds are less than $2,000?