Aweb music store offers two versions of a popular song. the size of the standard version is 2.8 megabytes (mb). the size of the high-quality version is 4.6 mb. yesterday, the high-quality version was downloaded three times as often as the standard version. the total size downloaded for the two versions was 4482 mb. how many downloads of the standard version were there?

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