Question

20% of 45% of a number is 81. what is 40% of the number?​

Answer 1

Answer:

$20\%(45\% \: of \: x) = 81$

$\frac{20}{100} \times \frac{45}{100} \times x = 81$

$9x = 81 \times 20 \times 5$

$9x = 8100$

$x = 900$

$40\% \: \: of \: \: x = \frac{40}{1 00} \times 900 = 360$

Answer 2

Step-by-step explanation:

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