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centage correct to $2$ decimal places.$\newline$st score $=68.75$$\newline$Question $4$$\newline$Jack sets aside $\$ 5,000$ for his car loan repayment each year. If this amount represents $8 \%$ of his annual salary, how much does Jack earn per year?$\newline$Jack's yearly earnings $=\$$$\newline$Question $5$$\newline$$1.5 \mathrm{pts}$$\newline$An ore is made up of $15 \%$ silicon, $65 \%$ iron and the remaining percentage is zinc. What is the weight of zinc (in $\mathrm{kg}$ ) in a piece of ore weighing $12.4 \mathrm{~kg}$ ? State your answer to $2$ decimal places.$\newline$Weight of zine $=.20 \mathrm{~kg}$