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Question-129856




Question Number 129856 by mohammad17 last updated on 20/Jan/21
Commented by mohammad17 last updated on 20/Jan/21
how can solve this
$${how}\:{can}\:{solve}\:{this} \\ $$
Answered by MJS_new last updated on 20/Jan/21
rr: (4/(10))×(3/9)=(2/(15))   {: ((rb: (4/(10))×(6/9)=(4/(15)))),((br: (6/(10))×(4/9)=(4/(15)))) } (8/(15))  bb: (6/(10))×(5/9)=(1/3)
$${rr}:\:\frac{\mathrm{4}}{\mathrm{10}}×\frac{\mathrm{3}}{\mathrm{9}}=\frac{\mathrm{2}}{\mathrm{15}} \\ $$$$\left.\begin{matrix}{{rb}:\:\frac{\mathrm{4}}{\mathrm{10}}×\frac{\mathrm{6}}{\mathrm{9}}=\frac{\mathrm{4}}{\mathrm{15}}}\\{{br}:\:\frac{\mathrm{6}}{\mathrm{10}}×\frac{\mathrm{4}}{\mathrm{9}}=\frac{\mathrm{4}}{\mathrm{15}}}\end{matrix}\right\}\:\frac{\mathrm{8}}{\mathrm{15}} \\ $$$${bb}:\:\frac{\mathrm{6}}{\mathrm{10}}×\frac{\mathrm{5}}{\mathrm{9}}=\frac{\mathrm{1}}{\mathrm{3}} \\ $$

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