Answer:
3 brothers.
Step-by-step explanation:
You know that Kim made
quarts of a fruit smoothie.
<em>Observation: </em><em>
is the same as saying
because,
, then Kim made
of a fruit smoothie.</em>
Now, the problem says that Kim drank
of her smoothie, this means:

Kim drank
quart of the smoothie, the rest of the smoothie is:

Now to know how many brothers Kim has we have to divide the rest of the smoothie (
) in
, this is:

Then Kim has 3 brothers.
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