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]