Pranav7 Pranav7

02-09-2017
Mathematics

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Mr. Plum's math class of 25 students had an average of 85 on a test. Miss Scarlett's class of 22 students had an average of 87 on the same test. What is the average of the two classes combined?

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BrainVids BrainVids

02-09-2017

use ((85x25)+(22x87))/ 47 for this to get the answer of about 86 (rounded)

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02-09-2017

Add the two averages together and then divide it by 2. Thats your answer.

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