Tolong dong tolongplzzzzzzz

no. 8

[tex]a = > \frac{7}{5} b = 14 \\ b = \frac{14}{ \frac{7}{5} } \\ b = 14 \times \frac{5}{7} \\ b = \frac{70}{7} = 10[/tex]
no. 10

[tex]a = 120\%b \\ a = \frac{120}{100} 25 \\ \\ a = \frac{120}{4} = 30[/tex]

maaf. cuma itu yang saya bisa.