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In a store window, there was a box of berries having a total weight of 200 kg. The berries were 98% water, by weight. After two days in the sun, the water content of the berries was only 95%, by weight. What was the total weight of the berries after two days, in kg?

 Jun 10, 2024
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First off, if the 98% of the berries were water, that means that only 2% of the berries weren't water. 

We have \(2/100 \cdot 200 = 4\), so 4 kg weren't water. 

 

Now, since a lot of it evaportated, that means there is less water. 

HOWEVER, the weight of the non-waters stays the same. 

 

That means that 4kg is 5% of the total weight. 

 

We have \(4*20 = 80\), so 80 kg is our answer. 

 

80 is our final answer!

 

Thanks! :)

 Jun 10, 2024

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