The correct answer is Choice D.
To find the proportion of
$A$ in
$B$, divide
$A$ by
$B$. If you’d like to express the proportion in percentage, simply multiply the found proportion in fraction by a 100.
Choice A is incorrect because 20% of 300 would equal
$300×\frac{20}{100}=60$.
Choice B is incorrect because 40% of 300 would equal $300×\frac{40}{100}=120$.
Choice C is incorrect because 60% of 300 would equal $300×\frac{60}{100}=180$.
✨ Expert's Tip ✨