Martin is 6 years younger than his sister. The sum of their ages is no more than 22 years. Enter an inequality that can be used to represent this situation in the box, where x represents Martin's sister's age.

Little's law can be applied to any part of the store, such as a particular department or the checkout lines. the store owner determines that, during business hours, approximately 84 shoppers per hour make a purchase and each of these shoppers spend an average of 5 minutes in the checkout line. at any time during business hours, about how many shoppers, on average, are waiting in the checkout line to make a purchase at the good deals store?