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4 years ago

1. Question

Advanced Placement (AP)

1 answer:

Valentin [98]4 years ago

5 0

The correct answer would be option A, 37.25

If the average weight of section A is 40 lbs and that of section B is 35 lbs. The average total weight of the whole class is 37.25

Explanation:

No of students in section A=36

No of students in section B=44

Average Weight of students of section A=40 lbs

Average Weight of students of section B=35 lbs

Total no of students in section A and B = (36 + 44) = 80 Students

Total weight of students in Section A=36*40=1440 lbs

Total weight of students in Section B=44*35=1540 lbs

Total weight of the Students in Section A and B = 1440+1540 = 2980 lbs

Therefore average weight of the whole class,

= 2980/80

Average weight of the whole class = 37.25 lbs.

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