The ratio of the perimeters of two rectangles is 4 to 7. the perimeter of the larger rectangle is 42 inches. what is the perimeter of the smaller rectangle?
a.10.5 inches
b.73.5 inches
c.28 inches
d.24 inches

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?