The heights of adults males in the US are approximately norm

The heights of adults males in the U.S are approximately normally distributed with mean 70 inches. (5ft 10 in) and standard deviation 3 inches.
what proportion of US men are between 5ft 7.2 inches and 6ft 0.8 inches( 67.2 and 72.8 inches respectively)
if the man is at the 12 percentile in height,how tall is he?