b. A certain sum amounts to 9,440 in 3 years and to 10,400 ir. 5 years. Find the sum
and the rate percent
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Step-by-step explanation:
in 3 yr - 9440
in 5yr - 10400
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in 2 yr - 960
in 1 yr - 480
in 5yr - 2400
Sum(P) = (10400-2400) = 8000
Rate - 480/8000 × 100 = 6 % p.a
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