2. Byron worked fewer than 20 days last month. Write an inequality for d, the number of days Byron worked last month. 3. A storm with sustained winds at or above 74 miles per hour is classified as a hurricane. Write an inequality for w, the wind speed of a hurricane.

3. The cash drawer at Common Ground Coffee Shop always contains at least $50. Write an inequality for c, the amount of cash in the drawer at Common Ground Coffee Shop.

4. To safely store perishable foods, refrigerator temperatures should be kept at or below 4C. Write an inequality for t, the temperature at which refrigerators should be kept.

6. You must be at least 48 inches tall to ride the Rocky Point Roller Coaster. Write an inequality for h, the height required to ride the Rocky Point Roller Coaster.

7. Most people can safely free dive to depths of at most 40 feet without oxygen tanks. Write an inequality for d, the depth most people can safely free dive to without oxygen tanks.