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Math·Problem-Solving and Data Analysis·Percentages

hard

The positive number $a$ is $2,047\%$ of the sum of the positive numbers $b$ and $c$, and $b$ is $89\%$ of $c$. What percent of $b$ is $a$?

A

$21.36\%$

B

$38.69\%$

C

$2,300\%$

D

$4,347\%$