"inversely proportional," please.
z = k/x
When x is 3, z = 6; find k: 6 = k/3, or k = 18.
Then z = 18/x. When x = 12, z = 18/12 = 2/3 (answer)
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I believe it is a Triangle with a base of 100 ft. and a height of 100 ft.
Yet that's what I learned in class, my teacher isn't paying attention to much of our lessons, so forgive me if this is wrong.
Cow : 9 x 10^2 = 9 * 100 = 900
whale : 1.8 x 10^5 = 1.8 * 100,000 = 180,000
180,000/900 = 200
The blue whale has about 200 times more mass <==
