Arrange these numbers in ascending order and then find the middle number 0.44,0.09,0.48,0.032,0.5

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Can someone me and do the problem plz so i can understand it more better

What does x = in this equation x+3+2x=x+5