Verified Answer :

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Number of people that went to the skating rink last week = 420
Number of people that went to the skating rink this week = 294
Then
Decrease in the number
of people going to the skating rink this week = 420 - 294
                                                                       = 126
Percentage decrease in the number
of people going to the skating rink this week = (126/420) * 100
                                                                       = 1260/42
                                                                       = 30 percent
So there is 30% decrease in the percentage of people going to the skating rink this week.

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