Answer :
Final answer:
There are 36 desks in 3 classes, and there are 364 days in a year.
Explanation:
a) To find the total number of desks in 3 such classes, we can multiply the number of rows by the number of desks in each row. So, 3 rows x 12 desks/row = 36 desks in 3 classes.
b) To find the number of days in a year, we can multiply the number of weeks in a year by the number of days in a week. So, 52 weeks x 7 days/week = 364 days in a year.
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