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elixir [45]
3 years ago
10

In June, a runner ran a mile in 7:45. In September, the runner ran a mile in 5:51. Is the percent of change in time an increase

or a decrease? Find the percent of change from June to September. Round to the nearest hundredth of a percent.
Mathematics
1 answer:
Mariulka [41]3 years ago
7 0
Since it takes less time in September than in June, this is a DECREASE.  The percent decrease.  The time is different by 114 seconds, divide this by the original time of 465 seconds and then convert to a percent, by multiplying by 100.  You should get 114/465 = 0.245 then x 100 = 24.5% decrease.
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