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Answer :

Solution

Step 1

Rate = (Portion/Base)*100%

Step 2

Rate = 16.3

Portion B = 4557

Let x reoresent the early

[tex]\begin{gathered} 16.3\text{ = }\frac{457}{x}\text{ }\times100 \\ \\ x\text{ = }\frac{457}{16.3}\text{ }\times\text{ 100\%} \\ \\ x\text{ = 2804} \\ \end{gathered}[/tex]