A delivery man can deliver 105 packages in 2 hours. If he continues at this rate, how many packages can the delivery man deliver in 8 hours?

After two years, how much has been paid into interest?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

Mike wants to make meatloaf. his recipe uses a total of 8 pounds of meat. if he uses a 3 to 1 ratio of beef to pork, how much pork will he use? enter your answer as a mixed number in simplest terms.