Question

BRAIN TWISTER:NOT FOR SCHOOL :I am eating a burger that contains 900 calories. this is what percent of the amount of calories an average 12 year old boy should eat

Answer 1

A 12 year old male should have a caloric intake between 1800-2400 calories per day. Thus, your percentage would be based on that days specific caloric intake.
Using 2000 as a average, the 900 calorie burger would be 45% of your daily calories.