0
Anonymous
one tenth of 9 years = 0.9 year or 10.8 months
1/10 * 9 years = 0.9 year * 12 months/1 year = 10.8 months
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One tenth is 210/10 = 21Nine tenths is 9 x 21 = 189
90
Ten years.
9/10
the answer is 9