Asked by Amitabha
A class of students had a test. If each boy had got 3 points more for the test, then the average result of the class would had been 1,2 points higher. What percentage of the class are girls?
Answers
Answered by
bobpursley
percentbobs*3+percentgirls*0=1.2
percentboys=.4 or 40 percent
girls then are 60 percent.
percentboys=.4 or 40 percent
girls then are 60 percent.
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