Katie filled a measuring cup with 9/10 of a cup of vegetable oil. then she poured 1/4 of a cup of the oil into a frying pan. how much oil is left in the measuring cup? simplify your answer.

2 Answers:

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Explanation:

The left and right walls are mirror copies of one another, and they are also copies of the cross section as well. Think of a subdivision to divide one room into two smaller ones. That middle wall is the same as the left and right walls of the original larger room. Effectively, those two smaller rooms are blocks of their own we can pull apart or cut.