Ow do i put circumference, diameter, and pi into a formula

Translate the following words into an expression: “the quotient of a number and three is five.”

Asquare parking lot has 6,400 square meters what is the length in meters

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?