Astore's cost for a stereo was $27. the markup was 75%. a customer purchased it on sale at 40% off the marked up price. what was the purchase price of the stereo?

steps pls!

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%

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?