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1 answer:
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Option A:
Option C:
Option F:
Solution:
Given expression is .
Option A:
Hence is equivalent expression of
.
Option B:
Hence is not equivalent expression of
.
Option C:
(proved in option A)
Hence is equivalent expression of
.
Option D:
Hence is not equivalent expression of
.
Option E: 75
75 is a whole number.
Hence 75 is not equivalent expression of .
Option F:
(proved in option A)
Hence is equivalent expression of
.
Therefore, are all equivalent expressions of
.
Answer:
Initial principal -$300,000
Investment amount after yr 3-$390,000
Final investment amount, after 6 yrs-$519,090
Step-by-step explanation:
Let X be the amount initially invested.
#The amount after 3 yrs of simple interest is calculated as:
#The amount after 5 yrs is calculated by compounding the amount after 3 yrs for 2 yrs at 10%:
Hence, the amount initially invested as $300,000
#Amount of invested after 6 yrs is therefore:
Hence, the total amount of the investment after 6 yrs is $519,090
#Substitute X in simple interest equation to find amount after 3 yrs of simple interest:
Hence, the total amount of the investment after first 3 yrs is $390,000