Rick can mop the floor in 5 minutes. together rick and nancy can mop the floor in just 4 minutes. how long would it take nancy to mop the floor alone?

Suppose that an airline uses a seat width of 16.516.5 in. assume men have hip breadths that are normally distributed with a mean of 14.414.4 in. and a standard deviation of 0.90.9 in. complete parts (a) through (c) below. (a) find the probability that if an individual man is randomly selected, his hip breadth will be greater than 16.516.5 in. the probability is nothing. (round to four decimal places as needed.)

Which one ? is the answer and how to find this answer

How far could you drive on 50 gallons of gas