Which of these statements describes a rebate?
a.) the shopper receives a discount now and pays sales tax on the discounted price of the item.
b.) the shopper receives a discount later and pays sales tax on the discounted price of the item.
c.) the shopper receives a discount later and pays sales tax on the full price of the item.
d.) the shopper receives a discount now and pays sales tax on the full price of the item.

The following statement describes a rebate -  

A.) The Shopper receives a discount now and pays sales tax on the discounted price of the item.

Explanation:

This option is correct because a rebate is described as a discount and one gets its benefit when one pays the tax on the discounted item. The discount is given at the same moment and the tax is paid on the same price.

The shopper receives a discount now and pays sales tax on the full price of the item.

Step-by-step explanation:

APEX answer

56.6

step-by-step explanation:

the ratio of the perimeters is equal to the scale.

the ratio of the areas is equal to the square of the scale.

34 / 20 = k

a / 19.6 = k²

substituting:

a / 19.6 = (34 / 20)²

a = 19.6 (34 / 20)²

a ≈ 56.6