Answer:
The answer would be, 81cm.
Step-by-step explanation:
36÷4=9
9×9=81
Answer:
1.62533254
Step-by-step explanation:
The area of the room must equal the sum of the areas of the tiles...
20*30=n(2*3)
600=6n
n=100
So 100 tiles are needed.
I've answered this before, but only partially. I'm not sure about the second part, but I think the first one is 10
Answer:
18
Step-by-step explanation:
Honestly you can just use a calculator for this.
But if you want to know how to actually do it, multiplying something by a fraction is just dividing it by its reciprocal (just flipping the numerator and the denominator).
Therefore...
72/4 is 18, 72 x 1/4 = 18