Solve the differentiatial equation: equation it is known that when x = 0, y = 16

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

W-16=-12 solve each one step equation plz