Aweb music store offers two versions of a popular song. the size of the standard version is 2.7 megabytes (mb). the size of the high-quality version is 4.6 mb. yesterday, there were 800 downloads of the song, for a total download size of 3262 mb. how many downloads of the standard version were there?

There is 220 downloads of the standard version.

Step-by-step explanation:

Let us assume that there is a download of x numbers of the standard version and y number of downloads of high-quality versions.

Given that, x + y = 800 (1) and  

2.7x + 4.6y = 3262 (2)  

{Since, that each standard version is of 2.7 MB and each high-quality version is of 4.6 MB and there is download of 3262 MB in total}

Now. solving (1) and (2) we get,

4.6y - 2.7y = 3262 - (2.7 × 800)

⇒ 1.9y = 1102

⇒ y = 580

Now, from equation (1), x = 800 - 580 = 220.

Therefore, there are 220 downloads of the standard version. (Answer)

when rotating a figure 180 degrees, imagine that you are able to take the figure and turn it clockwise or counterclockwise around a center point. to rotate a figure 180 degrees, you will need to apply the rule (x, y) → (-x, -y). start by using a coordinate grid with coordinates for each vertex of the figure. the center point of the coordinate grid is located at (0, 0), which is what you will rotate the figure around. write down the original coordinates of the shape you are going to rotate. then, apply the rule. for example, coordinate (1, 2) becomes (-1, -2). another example would be, coordinate (-4, -2) becoming (4, 2). after you change each original coordinate to the rotated coordinate, you will draw your new figure.

step-by-step explanation: