4. A sum of money doubles itself at
compound interest in 15 yr. In how many
years will it become eight times?
(a) 20 yr
(b) 40 yr
(c) 35 y
(d) 45 yr
Answers
Answered by
0
Answer:
2016954+88&_57xhivg4685257943369
Answered by
2
Answer:
If the sum doubles (x2) in 15 years, then it to become 2*2*2 = 8 times as large it should double three times, so three 15 years time period are needed, which is 3*15 = 45 years.
Answer is D) 45 year
Step-by-step explanation:
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