Question

B) Fill In The blanks.
(b) If 42/45 = 7/_, then _ =

Answer 1

Answer:

$\frac{42}{45} = \frac{7}{x} \\ 42x = 7 \times 45 \\ x = \frac{315}{42} \\ x = \: \: \underline{ \underline{7.5}}$