Simple interest on a sum of money is 9/16 of the sum. if the rate is 4 whole 1/2 % per annum. Find the time.
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Let the sum be x AND THE TIME BE T
Since I=PRTx100
= 9X=X 9T 16 x 100
=9X=16 T { CROSS MULTIPLICATION AND 9X GOT CANCELLED}
9X 100
=100=T16
=254
=6 YEARS 1 MONTH
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Explanation:
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Scientists have recently estimated that there are approximately 8.7 million species on Earth. They believe that 1-2 million of those species are animals.
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