Question

Sam's day starts with eggs and 0.75 pints of orange juice, on a particular morning he had only 4 fluid ounces of orange juice, then the amount(in fluid ounces) of juice he must add to keep the amount of juice consumed a constant is

Answer 1

Normally Sam drinks $0.75$ pints of juice.
We know $1$ pint $=16$ fluid ounce
$\therefore 0.75$ pint $=0.75\times 16=12$ fluid ounces
He has $4$ fluid ounces of juice with him.
$\therefore$ Amount of juice to be added $=12-4=8$ fluid ounces