(D) Let the number be $x$.According to the problem,when $35$ is subtracted from $x$,it becomes $80\%$ of $x$.$x - 35 = 0.8x$Rearranging the terms to s

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(D) Let the number be $x$.According to the problem,when $35$ is subtracted from $x$,it becomes $80\%$ of $x$.$x - 35 = 0.8x$Rearranging the terms to solve for $x$:$x - 0.8x = 35$$0.2x = 35$$x = \frac{35}{0.2} = 175$We need to find four-fifths $(4/5)$ of the number $x$:$\frac{4}{5} \times 175 = 4 \times 35 = 140$.