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In a store window, there was a box of berries having a total weight of $200$ kg.  The berries were $95\%$ water, by weight.  After two days in the sun, the water content of the berries was only $90\%$, by weight.  What was the total weight of the berries after two days, in kg?

 Jan 22, 2024
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avatar+36746 
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I answered this one  a few days back, but cannot find that post....so here it is again

200 kg of which 95% is water means that 

200 * .95 = 190 kg of water     and    10 kg of 'berry solids'

After two days thee is STILL 10 kg of berry solids...and this represents now 10% of the total weight 

    .10 ( x) = 10  kg     where x is the total weight 

           x = 10 /.10 = 100 kg is the new weight of strawberries after a sunny two days 

 Jan 22, 2024

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