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1. If 0.75 : x :: 5 : 8, then x is equal to:

A. 1.12

B. 1.2

C. 1.25

D. 1.30

Solution:

\begin{aligned} x \times 5 = 0.75 \times 8 \\ \Rightarrow x = \frac{6}{5} \\ \Rightarrow x = 1.2 \end{aligned}

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