Respuesta :

devishri1977

Answer:

B)12

Step-by-step explanation:

[tex]\frac{16}{f}=\frac{12}{9}\\\\16*9=12*f\\\\\frac{16*9}{12}=f\\\\ 4*3=f\\\\f=12[/tex]

HamK

Answer: Option B

Step-by-step explanation:

16/f = 12/9

Multiply f on both sides

(16/f) × f = (12/9) × f

16 = (12/9) × f

Now, multiply 9 on both sides

16 × 9 = (12/9) × 9 × f

144 = 12 × f

Now, divide both sides by 12

144/12 = (12/12) × f

12 = f

f = 12

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