Based on the frequency distribution above, find the cumulative frequency for the class with lower class limit 31

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Could someone me with this question i’ve been stuck on it for 20 minutes