simple intrest on a sum of money is 9by16 of the sum .if the rate is 4whole1by2% per annum, find the time.
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let the sum be x AND THE TIME BE T
Since I=PRT
100
= 9X=X 9T
16 100
=9X=16 T { CROSS MULTIPLICATION AND 9X GOT CANCELLED}
9X 100
=100=T
16
=25
4
=6 YEARS 1 MONTH....
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