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Diano4ka-milaya [45]
3 years ago
8

There were m visitors in an exhibition on the first day and 1,200 fewer vistors on the second day. On the third day, the number

of vistors was 30% greator than the number of vistors on the second day. What was the average number of vistors over the three days?
Mathematics
1 answer:
STALIN [3.7K]3 years ago
6 0

Answer:

Step-by-step explanation:

The average number is given by :

[m + (m - 1200) + (m - 1200)(1.30 ] / 3   =

[ 2m + 1.30m - 1200 - 1560] / 3   =

[3.3m - 2760] / 3  =

[1.1 m  - 920 ]

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