Juan kept 3 muffins in his bag
Data;
To find the numbers of Muffins Juan kept in his bag, we need to calculated 1/4 of 12.
This is done by multiplying 1/4 by 12
[tex]\frac{1}{4}*12 = \frac{1*12}{4*1} = \frac{12}{4}= 3[/tex]
Juan kept 3 muffins in his bag.
Learn more about fractions and proportions here;
https://brainly.com/question/2784798