A video store is offering a 7% discount on previously viewed videos. If the regular price of a video is $9.99, how much will the discount be?
A)63 cents
B)70 cents
C)74 cents
D)77 cents
E)80 cents

Question

Quizplus · Accepted Answer

7% of 9.99 is 70 cents.
The regular price is approximately $10, so think about what 1% of that is
10 cents. 2% would be 20 cents, 3% would be 30 cents, and so on. This is another question we want you to get fast.
Key Takeaway: In this case, the key is to recognize that you are working with a number that can be rounded ($9.99) to something ($10) that is very easy to work with. So get yourself in the habit of rounding numbers like $19.87 and $101.15.

A Video Store Is Offering a 7% Discount on Previously