Answer:
9
Explanation:
5% of 180 = 5/100 of 180
10% = 18 -----> 5% = 9
180 = ?/1000 -------> 180 = 18000 / 100 = 180
5% of 180 = 9
5% of 180 = 5/100 x 180
=> 5/10 x 18
=> 90/10
=> 9
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