Question

The rate of discount, R, can be determined using the formula
, where P is the regular price of an item and D is the discount, or amount saved off the regular price. Find the rate of discount on a sweater with a regular price of $39 that is on sale for $27. If necessary, round to the nearest hundredth.

Answer 1

Just do 27/39 to find how much 27 is of 39, and then subtract that from 100 to get the percentage of discount.
27/39 is about 0.69
So the rate of discount is about 0.31

Answer 2

Answer:

1.75

Step-by-step explanation:

I think its that because the other ones don''t look right:)