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Question 1:

A group of friends decides to buy a vacation home for $168,000, sharing the cost equally. If they can nd one more person to join them, each person's contribution will drop by $4000. How many people are in the group? people Solve the equation for the variable x. The constant 3 represents a positive real number. (Enter your answers as a comma-separated list. If there is no real solution, enter NO REAL SOLUTION.) \\/x+a+\\/xa=\\/\\/x+5 A spherical tank has a capacity of 500 gallons. Using the fact that 1 gallon is about 0.1337 ft3, nd the radius of the tank (to the nearest hundredth of a foot). [:1ft