Question

What is the answer to the photo below?

Answer 1

ok, so understand this:
(a)/(b/c)=(a)(c/b)=(ac)/b
so
x/(2/5)=(x)(5/2)=(5x)/2

so
(5x)/2=1/8
times both sides by 8
4*5x=1
20x=1
divide both sides by 20
x=1/20