Work out the Greatest Common Factor for both numbers
54 42
1×54 1×42
2×27 2×21
3×18 3×14
6×9 6×7
The common factors are: 1, 2, 3 and 6
The greatest common factor is 6
There are 6 identical arrangements that can be made
Answer:
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1 yard = 3 feet
25 yards = 3 x 25 feet = 75 feet
They are teh same
11/12
You have to find the common denominators
Given equation is

In general solution of

is

and

So the solution of given equation is

and

Now difference between them is 30.
So we can write




On squaring both side
