Raw meat

The school cafeteria prepares 490 servings of 50 g of boiled meat for one lunch. Meat loses 30% of its weight by cooking. How many kilograms of raw meat must the school canteen prepare for this lunch to cook?

Correct answer:

m =  35 kg

Step-by-step explanation:

n=490 r=100%30%=110030=0.7 m1=50 g kg=50:1000  kg=0.05 kg  m r=n m1 m 0.7=490 0.05  0.7m=24.5  m=0.724.5=35  m=35=35 kg

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