Question

In the Central City grand prix, out of 30 cars that started the race, 12 of them finished. What percent of the cars finished the race? What percent did not finish the race?

Answer 1

12/30=0.4 or 40% finished
18/30=0.6 or 60% did not finish

Answer 2

$\frac{12}{30}\cdot100\%=\\\\\frac{1200}{30}\%=\\\\40\%-finished\ race\\\\100\%-40\%=60\%-not\ finished\ race$