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: i believe its b. if you sound out the sentences that sounds wrong.

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

answer: it's d

step-by-step explanation:

thats not a system of equations, that is a solution