nataliemay
nataliemay
20-02-2015
Mathematics
contestada
75% of what number is 27?
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shoshanarockz
shoshanarockz
20-02-2015
you can set this up as a proportion
is %
-- ----
of 100
the "is" is 27. the percent is 75% which by default makes the of our x
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dln
dln
20-02-2015
[tex]Percent means out of 100. \\ \frac{75}{100}*x=27 \\ \\ \frac{(25)3}{(25)4}*x=27 \\ \\ \frac{3}{4}*x=27 \\ \\ x= 27* \frac{4}{3} \\ \\ x=9*4 \\ \\ \boxed {x=36 }[/tex]
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