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I=2800
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I≔2800
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I=\frac{40000\times 7}{100}
Multiply 5000 and 8 to get 40000.
I=\frac{280000}{100}
Multiply 40000 and 7 to get 280000.
I=2800
Divide 280000 by 100 to get 2800.
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