Tolong di jawab no 9-11

9. C. 7/3 ; 236% ; 2 2/5 ; 2,45

10. = 3 4/5 - ( 1,75 + 3/10)
= 19/5 - (175/100 + 30/100)
= 380/100 - 205/100
= 175/100 = 1,75

11. = 5/9 : 1 ¼ x 36%
= (5/9 x 4/5) x 36/100
= 4/9 x 36/100
= 4/25

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