Question 29: Find x knowing \(\begin{array}{l} \frac{{20}}{x} = \frac{4}{5} \end{array}\)

15/01/2022 // by admin// Leave a Comment

Question 29: Find x knowing \(\begin{array}{l} \frac{{20}}{x} = \frac{4}{5} \end{array}\)

A. x=25

B. x=12

C. x=2

D. x=5

\(\begin{array}{l} \frac{{20}}{x} = \frac{4}{5}\\ 4.x = 20.5\\ 4.x = 100\\ x = 100:4 \\ x = 25 \end{array}\)

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