27 students in all 4:5 packed lunch. how many students packed lunch

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11-10-2017
Mathematics

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27 students in all 4:5 packed lunch. how many students packed lunch

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jdoe0001 jdoe0001 · Answer 1 · 2017-10-11T01:18:32+02:00

jdoe0001 jdoe0001

11-10-2017

[tex]\bf \stackrel{total}{27}\qquad 4:5\qquad \cfrac{4}{5}\implies \cfrac{4\cdot \frac{27}{4+5}}{5\cdot \frac{27}{4+5}}\implies \cfrac{4\cdot 3}{5\cdot 3}\implies \cfrac{\stackrel{packed~lunch}{12}}{\stackrel{did~not~pack~lunch}{15}}[/tex]

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