Divide each term by 3...
15n - 8 = 3(5n - 6)
What is the domain of the function y=3 in x graphed below?
Domain is x>0, ln (0) is undefined and there is no negative ln.
= 2025
When you are told to find the smallest length possible, you perform L.C.M(Least common multiples)
For this, you divide the given lengths using the numbers that divides all through.
I have added an image to this answer. Go through it for more explanation
Can you post the scale drawing please so I can help you