To lose a pound of fat, you must eat 3,500 calories less than you use. how many fewer calories a day would you need to eat to lose 5 pounds in 3 weeks? round your answer to the nearest whole calorie.

To lose a pound of fat, you must eat 3,500 calories less than you use. How many fewer calories a day would you need to eat to lose 5 pounds in 3 weeks? Round your answer to the nearest whole calorie. i need it too help