Answer:
55%
Step-by-step explanation:
Express the ratio in fractional form, that is
11 : 20 = [tex]\frac{11}{20}[/tex]
To convert the fraction to a percentage , multiply by 100%
= [tex]\frac{11}{20}[/tex] × 100% ( cancel 20 and 100 by 20 )
= 11 × 5 %
= 55%
