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kaitlyn12305oz2x72
About 33%. You divide 12 by 18 and get 0.6666666 and it goes on. So, rounded to the nearest percent, it is 67%. Then, you subtract it from 100 and get 33%. So the percent decrease is 33%.
abidemiokin

Answer: 33.3%

Step-by-step explanation:

The total number of students in the chess club is 18, if they reduced to 12, this means (18-12) i.e 6students left the chess club.

Percent decrease will be;

missing students/total number of students × 100%

= 6/18×100

= 1/3 × 100

= 33.3%

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