Question

what is 25% of 30% of 400?
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Answer 1

Answer:

$25 \% \: of \: 30 \% \: of \: 400 \\ = \frac{25}{100} \times \frac{30}{100} \times 400 \\ = \frac{25 \times 30 \times 400}{100 \times 100} \\ = \frac{10000 \times 30}{10000} \\ = 30$