Anisargsyan
Anisargsyan
23-07-2014
Mathematics
contestada
103 is 20% of what number
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Ryan2
Ryan2
23-07-2014
Use property of proportions:
103 ---------- 20%
x ---------- 100%
[tex]x=\frac{103*100}{20}=\frac{10300}{20}=515[/tex]
So, 103 is 20% of 515
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Lilith
Lilith
23-07-2014
[tex]x \cdot 20 \% =103 \\ \\ x\cdot \frac{20}{100}=103 \\ \\ \frac{1}{5}x=103 \ \ / \cdot 5\\\\x=515 \\ \\Answer: \ number \ is \ 515[/tex]
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