IF YOU KNOW SPANISH AND ALGEBRA PLEASE HELP

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save