debrafreeman debrafreeman

15-04-2015
Mathematics

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72 is 45% of ______-

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15-04-2015

45% * x=72

45/100 *x=72

45x/100=72

45x=7200 /:45

x=160

⇒72 is 45% of 160.

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15-04-2015

[tex] \frac{72}{x} = \frac{45}{100} [/tex]
^^^^^percent proportion^^^^^^^
multiply 72 x 100 = 7200
divide 7200 ÷ 45 = 160
72 is 45% of 160.

Answer Link

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