Help with this If you don’t know the answer please don’t answer

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

You are designing a rectangular pet pen for your new baby puppy. you have 30 feet of fencing you would like the fencing to be 6 1/3 feet longer than the width

True or false: the graph of y=f(bx) is a horizontal compression of the graph y=f(x) if b< 1