A SUM OF MONEY INVESTED AT SIMPLE INTEREST AND BECOME 5 TIMES ITSELF IN 20 YEARS. FIND IN HOW MANY YEARS WILL IT BECOME 15 TIMES ITSELF AT THE SAME RATE OF INTEREST?
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Answered by
2
Answer:
70 yrs
Step-by-step explanation:
100 to 500
Diff =400/20=20%
100 to 1500
Diff=1400/20=70 years
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