Baking bread

When grinding 100 kg of grain, we obtain 75 kg of flour for food purposes, about 23 kg of bran, which has further use, and about 2 kg is waste. 4.5 kg of bread is baked from 4 kg of flour.

a) Baker can bake how many kilograms of bread from 100 kg grain?
b) How many kilograms of grain is needed per 100 kg of bread?

Your answer:

kg
kg


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