Please help! This really doesn't make sense to me. I NEED HELP

Find the scale of the two similar sides with known dimensions:

45/27 = 1 2/3

Figure A is 1 2/3 times larger than B. Now multiply the similar side of B to find x:

x = 18 x 1 2/3

x = 30

x = 30

30

Step-by-step explanation:

(This is a similarity question)

So,

X/18 = 45/27

Then cross multiplication

X= 45×18/ 27

X= 30

i think c. but don't trust it.

step-by-step explanation: