A group of mountain climbers begin an expedition with 250 pounds of food. They plan to eat a to eat a total of 12 pounds of food per day. Write and solve a linear equation to find the number of days their food will last.

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?