Question

If Robert buys a candy bar for 78 cents, how much change does he get back from a one-dollar bill?

Answer 1

Robert gets back `22` cents.

Explanation:

When he gives a one-dollar bill for candy bar he as handed over

one dollar or hundred cents.

As candy bar costs `78` cents, amount paid more is

`100-78=22` cents.

So Robert gets back `22` cents.