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on the first day of june, there were about 17.71 h of daylight in a city. five months later, there were about 5.3 h of daylight. what was the percent decrease?

percentage decrease is 70%

Step-by-step explanation:

To find percentage decrease of 2 quantities, we have to find the difference of the quantities and divide by the original quanity. Then we multiply by 100 to find the PERCENTAGE.

We will use formula:

Where

"New" is the latest quantity

"Old" is the first (previous) quantity

Here, New = 5.3  &  Old = 17.71

We substitute into formula and find:

So we can say that the percentage decrease is 70%

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