The selling price of an item is $455. It is marked down by 20%, but this sale price is still marked up from the cost of $280. Find the markup from cost to sale price. The markup is $
nothing. (Round to the nearest dollar as needed.)

answer: b.48 for

step-by-step explanation:

step-by-step explanation:

your answer is a

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true

4n=2m

ratio of m to n: 2/4 = 1/2

answer

a. 1/2