7th grade math pls help

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

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