Final answer:
Marcelo has 3/4 of a pizza left after giving a quarter to his brother.
Explanation:
Marcelo has 3/4 of a pizza after giving a quarter to his brother. To determine how much pizza he has left, we subtract the fraction he gave away from the whole pizza: 1 - 1/4 = 3/4. Therefore, Marcelo has 3/4 of the pizza remaining.
Learn more about Fraction Subtraction here:
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