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Question Number 138613 by byaw last updated on 15/Apr/21

Answered by physicstutes last updated on 15/Apr/21

$$\mathrm{This}\mathrm{question}\mathrm{is}\mathrm{real}\mathrm{lol}!$$$$2.\left(\mathrm{a}\right)\mathrm{Total}\mathrm{length}=\frac{9}{4}\mathrm{m}$$$$\Rightarrow \mathrm{lenght}\mathrm{used}\mathrm{for}\mathrm{a}\mathrm{job}=\frac{2}{3}\times \frac{9}{4}=\frac{3}{2}\mathrm{m}$$$$\mathrm{length}\mathrm{used}=\frac{9}{4}-\frac{3}{2}=\frac{3}{4}\mathrm{m}$$$$\left(\mathrm{b}\right)\mathrm{lenght}\mathrm{used}\mathrm{for}\mathrm{job}=\frac{1}{8}\times \frac{3}{4}=\frac{3}{32}$$$$\Rightarrow \mathrm{lenght}\mathrm{left}=\frac{3}{4}-\frac{3}{32}=\frac{21}{32}\mathrm{m}$$

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