Answer:
2
Step-by-step explanation:all of them can be divided by 2 and it is the smallest number.
Answer:
Multiply both sides by 2
Subtract l from both sides
Divide each side by 3
(2R -l)/3 =w
Step-by-step explanation:
R = (l+3w)/2
Multiply both sides by 2
2R = 2* (l+3w)
2R = l+3w
Subtract l from both sides
2R - l = l-l +3w
2R -l = 3w
Divide each side by 3
(2R-l) /3 = 3w/3
(2R -l)/3 =w
Go to cymath and type it in and it will work it out for you and tell you the answer
In similar figures, the ratio between corresponding sides are the same.

Simplify the two to see that they are equal.
The top and bottom of the left fraction are divisible by 5.
The top and bottom of the right fraction are divisible by 7.

Of course, the dimensions of that third picture would have to be this fraction.
Let's test these answers.

⇒ A is not a solution

⇒
B is the solution
(divide the top and bottom by 6)