on a shelf comprising two rows, first row contains 25% of books in the second row. if there are a total of 200 books in the second row, find the number of books in the first row
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Answer:
=999
5
(Decimal: 199.8)
Step-by-step explanation:
=200. 20
1 −100
=200. -20
1. - 100
=200=
200
1
−
20
100
=
200
1
+
−20
100
=
200
1
+
−1
5
=
1000
5
+
−1
5
=
1000+−1
5
1. -
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