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ElenaW [278]
3 years ago
5

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

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
7 0
512-400=112\\\\ \frac{112}{400} \cdot 100\%= \frac{112}{4}\%=28\%\\ \\ 28 \% : 14\%=2\\ \\Ans. \ 2\ years
kupik [55]3 years ago
6 0
512\$-400\$=112\$\\\\\frac{112\$}{400\$}\cdot100\%=0,28\cdot100\%=28\%\\\\28:14=2-years
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