Question

The change machine will change whatever dollars you put into quarters. The only catch is that if you want you use the change machine, it will cost 50 cents. How many quarters will you get back if you put $1, $2,$10, $66?

Answer 1

$1 = 2 quarters

$2 = 6 quarters

$10 = 47 quarters

$66 = 262 quarters

Explanation:

$1: First you subtract 50 cents, then there are only 50 cents remaining which is 2 quarters.

$2: First you subtract 50 cents then there are only 150 cents remaining

which is 6 quarters.

$10: First you subtract 50 cents then there are only 950 cents remaining which is 47 quarters.

$66: First you subtract 50 cents then there are only $65.50 remaining which means that there are 262 quarters.