tolong beserta caranya

jawab :
9.) C. 3/5
10.) C. 65%; 18/24 ;0,8; 2 1/4

caranya :

[tex]9.) \frac{51}{85} = \frac{51}{85} \div 17 = \frac{3}{5} \\ 10.) \frac{18}{24} = \frac{3}{4} = 0.75 \\ 65\% = 0.65 \\ 0.8 = 0.80 \\ 2 \frac{1}{4} = \frac{9}{4} = 2.25 [/tex]