32 oz.
It is "Recommended Daily Allowance"
Really....
Depending on the age of the boy, you can estimate a daily recommended allowance for calories to be in between 1500 to 2000 (with the later being the allowance for an Adult Male).
15 milligrams
Under no circumstances should water be rationed or limited. Let your teenager have as much water as they like.
DRI-daily recommended intake RDA- recommended daily allowance
The recommended daily caloric allowance for an adult female is 2,200 calories. For a male, the allowance is 2,700 calories. The actual amount of calories needed depends on age and level of activity.
The answer is 1500-2000 calories
European Community Recommended Daily Allowance
18 milligrams
Recommended Daily Allowance
2 and a half to three cups