I need this in standard form slope intercept and point slope form.

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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 $450 and $500

What is the value of x? enter your answer in the box.