27. In a school of 500 students, 125 like chess and 160 like badminton. 45 students like chess and badminton both. Find how many
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Check the picture below
it can't be -3... since is width unit, so it has to be the other
and recall that length = 2w - 5
it can't be -3... since is width unit, so it has to be the other
and recall that length = 2w - 5