1. It must be divisible by 2 and 3. It IS divisible by 2. it IS divisible by 3. No remainder.
2. Add the digits and see if the sum is divisible by 3. Apply this rule to both numbers. 3 is not a common factor.
3a. 639
3b. 1035
3c. 179
Answer:
I believe it would be 376.65 for flooring for a 4.5x3.6 large room
Let, width = x
Length = 3x
It is given that, 3x * x = 300
3x² = 300
x² = 300 / 3
x = √100
x = 10
& 3x = 3(10) = 30
Perimeter = 2(l + w)
P = 2(10 + 30)
P = 2(40) = 80
In short, Your Answer would be 80 Yards
Hope this helps!
It is 28 i think been 3 year since i did this
Answer:
Step-by-step explanation:
Given
Garden: 
One Bag: 
Requires
Determine the number of bags to cover the whole garden
This is calculated as thus;

Expand the numerator



Express 81 as 9²

Evaluate as difference of two squares


Hence, the number of bags is 