You know that 3+3+3+3=4*3=12.this shows that 4 groups of 3 equal 12. The expression x +x+x+x+=4x means x is used as an addend 4
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Alright, lets get started.
3 feet = 1 yard
If we cube both sides of the equation, we will get the conversion into cubic yards
So,
27 cubic feet = 1 cubic yards
So, 1 cubic feet = cubic yards
So, 360 cubic feet = cubic yards
So, 360 cubic feet = 13.33 cubic yards
13.33 cubic yards of air can it circulate per minute. : Answer
Hope it will help :)