Plz help it would mean a lot

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

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

The distance between a football fsaid and a parking lot is 135 feet. what is that length in yards? 2 mickey needs to cut pieces of ribbon that are each 1 meter long to tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long, how many 1-meter pieces of ribbon can he cut? show work