How do figure out 120/f = 1.2?


Sagot :

[tex]\frac{120}{f} = 1.2 \ \ /*f\\ \\f\neq 0 \\ \\120=1.2f \ \ / *10\\ \\120*10=1.2*10*f \\ \\1200=12f /:12\\ \\ f=\frac{1200}{12}\\ \\f=100[/tex]
1.2 x 120 = 100

f = 100