Answer:
$105
Explanation:
In a situation like this you have to look at 140 as 100, if you have 4 quarters that is 1 dollar in change, take away one quarter and you have 75(%), which in this case is what Samantha has to pay. So to solve this you find 140 divided by 4 (35) then multiply that by 3 (105) and there is your answer!