What is the greatest common factor of 12, 24, and 48?
2 answers:
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To find r, first write out the equation:
Next, multiply both sides by 2:
Now, subtract both sides by 4:
Divide both sides by 3:
The answer to this problem is r = 2. Hope this helps and have a phenomenal day!
Next, multiply both sides by 2:
Now, subtract both sides by 4:
Divide both sides by 3:
The answer to this problem is r = 2. Hope this helps and have a phenomenal day!
One way you could solve this is to just multiply the top and bottom out so that you get 9/81, reducing it by 9/9 to get 1/9 or option C.
Another way would be to do
since dividing numbers with exponents would be subtracting the bottom exponent from the top exponent, provided that the base number (in this case 3) is the same for both. For this method, you would get 
, which is equal to 1/9 or .1 repeating, the same answer that you'd get with the first method.
Another way would be to do