Question

there were 350 students competing at the regional spelling bee. during the first round 20% of the contestants were eliminated. how many contestants were still in the competition at the beginning of the second round?

Answer 1

20% of 350 is 70. 70-350=280 so there are 280 contestants left :)

Answer 2

You answer can be determined by the following equation.

350 starting students x 0.2 = 70 students eliminated

If you are ever dealing with a % of a number, multiply the percent (in decimal form) by the total number.

Your answer will be...

350 starting students - 70 students eliminated = 280 remaining students