Anyone have soundtrap

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

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.