If 5kg of beef is used to prepare beef stroganoff for 40 customers, how many kilograms of beef will be used to prepare same for 6 customers?

If 5kg of beef is used to prepare beef stroganoff for 40 customers, how many kilograms of beef will be used to prepare same for 6 customers?

A 1/8 kg
B 3/4 kg
C 7 kg
D 8 kg

waec 2017 cateringcraftpractice

The correct answer is B. 3/4 kg

No explanation given

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