A jar of natural peanut butter normally cost $4.00. Today its on sale for $3.60. What is the percentage of the discount

Ambitious

Answer

Find out the what is the percentage of this discount.

To prove

Formula

Discount = Marked price - selling price

As given

a jar of natural peanut butter normally costs $4.00.

it's on sale for $3.60.

thus

Marked price = $4.00

selling price = $3.60

put in the above formula

Discount = 4.00 - 3.60

= 0.4

Formula

put the value

Discount percentage = 10%

Option (a) is correct.

Hence proved