Question

the average weight of the class of 35 students was 45 KG. with the admission of a new student the average weight came down to 44.5 kg. find the weight of a new student
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Answer 1

Answer:

44kg

Step-by-step explanation:

If 0.5kg less than weight will be 44kg

Answer 2

Answer:

27

Step-by-step explanation:

average=x1+.........+.x35

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35

45. =x1+..........x35

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35

45×35. =x1+.........+.x35

1575. =x1+.........+.x35. .......( i )

new average= 44.5

new average=(x1+.........+.x35)+x

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36

44.5 ×36=(x1+.........+.x35)+x

1602= (x1+.........+.x35)+x

by putting ( i )

1602= 1575+x

1602-1575=x

27=x