Question

The number of match sticks contained in 50 match boxes is given below
Number of
Match sticks
40
42
43
44
45
48
Number of boxes
6
7.
12
9
10
6
(i) Using short cut method, find the mean number of match sticks per box
(ii) How many extra match sticks are to be added to all the contents of 50 match boxes to
bring the mean exactly equal to 45 match sticks per box?

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Answer 1

03425289292837478484939303847748393020203948477575850302477593946594465207 or 447499

Answer 2

Answer:

200 in 50 boxes and 14 matches extra