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Sagot :
The number of schools left after three rounds is 27
How to determine the value
From the information given, we have that;
- Total schools in the competition is 729
- Only one-third of the schools remain in the competition
For the first round, the schools left would be;
= 729 × 1/ 3
= 729/ 3
= 243 schools
In the second round, the number of schools left would be;
= 243 × 1/ 3
= 243/ 3
= 81 schools
In the third round, the number of schools would be;
= 81 × 1/ 3
= 27 schools
Thus, the number of schools left after three rounds is 27
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