Lilian uses 3/4 calories per minute just by sitting. She uses 1 more calorie per minute by walking. Lilian a uses a total of 12 1/4 calories walking to the park. Lilian a uses the equation, d (3/4 + 1) = 12 1/4 to represent the situation.

what does variable d represent in the equation?

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes