Weekly wages at a certain factory are normally distributed with a mean of
$400 and a
standard deviation of $50.
Find the probability that a worker
selected at random makes between
$400 and $450.

If you need an equation, it would be y=2x+8, y would be how long it grew, x being weeks.if you need how long he was asleep, it would be 4 weeks if he started with no beard, the equation would be x=8÷2if he did have a beard before hand, the equation would be 2w+x=8

How much is 32 out of 40 written as a percentage? convert fraction (ratio) 32 / 40 answer:   80%