Don calculates that his body uses up 2,400 calories a day.

What will happen if Don eats 2,700 calories a day for a week?

He will gain weight because he will be eating more calories than he uses.

He will lose weight because his basal metabolism will get higher.

He will not gain any weight because his basal metabolism will get higher.

He may or may not lose weight depending on what kinds of food he eats.