4 years ago

Can someone please help me?

Mathematics

1 answer:

professor190 [17]4 years ago

6 0

Answer:

The first one is D, and the second one is also D

Step-by-step explanation:

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In what time will a sum of money double itself at 5 parcent compound interest payable half yearly

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The Time in which sum of money double itself is 14 years .

Step-by-step explanation:

Given as :

The principal money = P

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Let The time in which sum become double = t years

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<u>From Compounded method</u>

Amount = principal × $(1+\dfrac{\textrm rate}{2\times 100})^{2\times \textrm time}$

or, 2 P = P × $(1+\dfrac{\textrm 5}{2\times 100})^{2\times \textrm t}$

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or, 0.3010 = 2 t × $Log_{10}$ 1.025

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So, The time period = T = 14 years

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