Krusty was told that a certain itching powder was the newest best thing on the market, it even claims to cause 50% longer lasting itches. Interested in this
product, he buys the itching powder and compares it to his usual product. One test
subject (A) is sprinkled with the original itching powder, and another test subject (B)
was sprinkled with the Experimental itching powder. Subject A reported having
itches for 30 minutes. Subject B reported to have itches for 45 minutes.

What is the question though???

Explanation:

I think you are asking if it does last 50 percent longer than his. The answer to that is yes. Because if his lasted for 30 minutes and the other guy lasted for 45 which is 30 plus 15 and 15 is 50 percent of 30

answer: the rock sample is a sedimentary rock.

explanation:

it is given that:

mass of rock sample, m = 2.7 g

volume of rock sample,

so, density of rock sample will be

since, the density of rock sample is . hence, the rock sample is a sedimentary rock, whose densities varies between .

answer: b.

explanation: