Average mark

Calculate the average mark in English if a student got a couple of 3's, 20% less two than 3, and 50% more 1's than the 2's.

Correct answer:

p =  1.9333

Step-by-step explanation:

p=x+0.8x+1.50.8x3x+20.8x+11.50.8x=1+0.8+1.50.831+20.8+11.50.8=1.9333



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