25 g. of sugar daily, but over 75% of Americans take in over double that daily.

There are 1 in the first round 2 of them in the second Double Jeopardy round and you could call final jeopardy the 4th since you can double your money if you bet it all, but is is not called a daily double so the answer is 3

$1.00

just lettuce, tomato, mayonnaise and cheese with a two burger patties and double bun.

No you must wager at least $5 for the daily doubles. Double Jeopardy is what the second round is called and it has two daily doubles while the Jeopardy round has only one