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19-10-2017
Mathematics

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rolls are being prepared to go to the grocery store. Divide 72 rolls into 2 groups so the ratio is 3 to 5

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19-10-2017

[tex]\bf \cfrac{\stackrel{first}{group}}{\stackrel{second}{group}}\qquad 3:5\qquad \cfrac{3}{5}\implies \cfrac{3\cdot \frac{72}{3+5}}{5\cdot \frac{72}{3+5}}\implies \cfrac{3\cdot 9}{5\cdot 9}\implies \cfrac{27}{45}[/tex]

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