Sonal attended high school on 204 days in a full year. if her attendance is 85% find the number of days on which school has opened
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85 % =204
100% =204 ×100/85
= 204 ×20/17
=12 ×20
=240 days school has been opened
100% =204 ×100/85
= 204 ×20/17
=12 ×20
=240 days school has been opened
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