Percent Trick

本站添加: 2026-06-04

[00:00:00]What is 20 %? % means divide by 100. Of means multiply. 20% of 20. Now here, we can cancel out these two zeros with these two zeros.

[00:00:18]And this zero with this zero. Now we have two times two times two, that is eight. Two times two is four. Four times two is eight. And we have this 10 in the denominator. Eight over 10 is 0.8.

[00:00:33]That's our answer, choice B.