5+x/2 greater than or equal to 10

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

What are the steps to solving the inequality 3b + 8 ≥ 14?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?