Answer:
14% and 90%
Step-by-step explanation:
To change a fraction to a percentage multiply the fraction by 100%
[tex]\frac{7}{50}[/tex] × 100% = [tex]\frac{7(100)}{50}[/tex] = 14%
[tex]\frac{18}{20}[/tex] × 100% = [tex]\frac{18(100)}{20}[/tex] = 90%