Karen has 2/3 of her juice box left. Her brother drinks 3/4 of that. How much of the juice box does her brother drink?

1/2 of the juice box

Step-by-step explanation:

We see that Karen has 2/3 of her juice box left. Her brother drinks 3/4 of that leftover 2/3.

First, remember that "of" in mathematics usually means to multiply. Here, since the brother drank 3/4 of the 2/3, we multiply the two:

(3/4) * (2/3) = (3 * 2) / (4 * 3) = 6 / 12 = 1/2

We understand this as 1/2 of the entire thing.

So, Karen's brother drank 1/2 of the juice box.

~ an aesthetics lover

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step-by-step explanation: