What is the answer to
k/7 + 3 - 2k = -3

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?

Suppose that in 2008 , 840,800 citizens died of a certain disease assuming the population of teh country is 399 miliion, what is the mortality rate in units of deaths per 100,000 people?

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?