Drying fruit

Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kg of fresh fruits?

Correct answer:

m2 =  40 kg

Step-by-step explanation:

m1​=100 kg  r1​=100%−68%=1−10068​=0.32 r2​=100%−20%=1−10020​=0.8  s1​=s2​  r1​⋅ m1​=r2​⋅ m2​ 0.32⋅ 100=0.8⋅ m2​  0.8m2​=32  m2​=0.832​=40  m2​=40=40 kg

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You need to know the following knowledge to solve this word math problem:

algebrabasic operations and conceptsUnits of physical quantitiesthemes, topicsGrade of the word problem

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