The selling price of an item is $440. It is marked down by 20%, but this sale price is still marked up from the cost of $320. Find the markup from cost to sale price.

i would pic false cause it goes down towards negative

step-by-step explanation:

understand that i don't know the answers

will someone answer his question

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have