Todd's dog eats 15 oz of dry dog food per day. How long will it take him to eat 40 pounds of dog food? PLZ ANSWER FAST I WILL MARK BRAINLIEST

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.