charchar03 charchar03

18-03-2014
Mathematics

contestada

In what time will $400 amount to $512 if the simple interest is calculated at 14% per annum?

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Аноним Аноним

18-03-2014

[tex]512\$-400\$=112\$\\\\\frac{112\$}{400\$}\cdot100\%=0,28\cdot100\%=28\%\\\\28:14=2-years[/tex]

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kate200468 kate200468

18-03-2014

[tex]512-400=112\\\\ \frac{112}{400} \cdot 100\%= \frac{112}{4}\%=28\%\\ \\ 28 \% : 14\%=2\\ \\Ans. \ 2\ years[/tex]

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