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Can you help me solve both answers

Can you help me solve both answers-example-1

1 Answer

6 votes
a.
find the average yearly change which is change/years=-11150000/10=-1115000

the mean yearly change is -1115000 visitors



b. in any of the other years, the change was so great that it compensated for the increase in the 7th year
example, in 8th year, there were -11116000-10800000 visitors change
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