Find the ratio of black cell phone covers sold to the total number of cell phones covers sold last week. then explain its meaning = info below
green cover : 5
silver cover: 6
red cover: 3
black cover: 4

The correct answer is:

4:18, which means that 4 out of every 18 covers sold are black.

Explanation:

To find the ratio of black cases to total, we must first find the total number of cases sold: 5+6+3+4 = 18.

This makes the ratio of black to total 4:18.

The explanation is that 4 cases out of every 18 will be black.

b

step-by-step explanation:

if a was wrong then it has to be b it cant be c either because not all the y intercepts are the same!

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a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation: