The boy

The boy scouts spent 10/12 hour doing their daily exercises. They only used 1/4 hour in hiking. How much time did they use for other body exercises?

Correct answer:

x =  0.5833 h

Step-by-step explanation:

$$\begin{gathered} a={\displaystyle \frac{10}{12}}={\displaystyle \frac{5}{6}}\doteq 0.8333\text{ h } \\ b={\displaystyle \frac{1}{4}}=0.25\text{ h } \\ x=a-b=0.8333-0.25={\displaystyle \frac{7}{12}}\text{ h}=0.5833\text{ h} \end{gathered}$$

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