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haileesprague1578
06.01.2020 •
Mathematics
In a store window, there was a flat containing boxes of berries having a total weight of $200$ kg. an analysis showed that the berries were $99\%$ moisture, by weight. after two days in the sun, a second analysis showed that the moisture content of the berries was only $98\%$, by weight. what was the total weight of the berries after two days, in kg?
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Ответ:
100 kg
Step-by-step explanation:
Data provided in the question:
Initial total weight of the berries = 200 kg
Initial weight of water present = 99% of the weight
= 198 kg
therefore,
Initial weight of the solids in berries = 200 kg - 198 kg = 2 kg
After 2 days water was 98% of the total weight of the berries
Thus,
2% was solid which means 2 kg was 2% of the total weight of the berries
Thus,
2% of Total weight of berries after two days = 2 kg
or
0.02 × Total weight of berries after two days = 2 kg
or
Total weight of berries after two days = [ 2 ÷ 0.02 ] kg
or
Total weight of berries after two days = 100 kg
Ответ:
first one no second one no third one no frouth no fifth yes last one no