Abaker used 4 cups of flour to make 5 batches of brownies. he used - of a cup of flour to make 1 batch

4/5th of a cup of flour

Step-by-step explanation:

4 cups flour to 5 batches brownies = x cups flour to 1 batch brownies

4 / 5 = x / 1cross multiply because this is a proportion

(5)(x) = (4)(1)

5x = 4divide both sides by 5

x = 4/5

so he used 4/5 of a cup of flour to make 1 batch of brownies <==

step-by-step explanation:

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