Fresh mushrooms contain 90% water, dried only 12%. How many kilograms of fresh mushrooms are needed for 5kg dried?

Correct answer:

x =  44 kg

Step-by-step explanation:

m=5 kg r1=100%90%=110090=0.1 r2=100%12%=110012=0.88  r1 x=r2 m 0.1 x=0.88 5  0.1x=4.4  x=0.14.4=44  x=44=44 kg

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Math student
Fresh mushrooms contain90%water, while dried mushrooms contain10%water. Howmany kilograms of fresh mushrooms are needed in order to obtain10kgof dried mushrooms?

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