the average age of 32 students in a class is 15 years.if two student leave the class , the age drops to 14.9 years. what is the average age of the two students who left
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Answer:
16.5
Step-by-step explanation:
Total age of 32 students = 32 x 15 = 480
After two left, total age of 30 students = 30 x 14.9 = 447
Therefore, total age of remaining two = 480 - 447 = 33
Average = 33/2 = 16.5
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