Question
Solve: p + 1.4p = 48
✓
Answer
$\begin{aligned} & p+1.4 p=48 \\ & \Rightarrow p+\frac{14}{10} p=48 \\ & \Rightarrow \frac{10 p+14 p}{10}=48 \\ & \Rightarrow 10 p+14 p=48 \times 10 \\ & \Rightarrow 10 p+14 p=480 \\ & \Rightarrow 24 p=480 \\ & \Rightarrow p=\frac{480}{24}=20 \\ & \therefore p=20\end{aligned}$
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