Answer:
[tex]\frac{1}{8}[/tex]
Step-by-step explanation:
given that a is 50% of b , then a = [tex]\frac{1}{2}[/tex] b or b = 2a , then
[tex]\frac{a}{4b}[/tex]
= [tex]\frac{a}{4(2a)}[/tex]
= [tex]\frac{a}{8a}[/tex] ( cancel a on numerator/ denominator )
= [tex]\frac{1}{8}[/tex]