Answer:
The financial advisor is not using percentage properly.
Percentage loss=2%
Step-by-step explanation:
original amount invested=$11000
By the end of the first year, there was a decrease by 30% over the original amount.
This implies that the amount invested at after the end of the first year or at the beginning of the second year

=$7,700
This amount has increased by 40%

=$10,780
The financial advisor is not using percentage properly.
This is because the decrease was on the original amount meanwhile the increase was not on the original amount. The increase was rather on an amount less than the original amount .
Since the original amount invested is greater than the amount at the end of the second year, there was a loss
Hence percentage loss


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Answer:
The distance between harbor & the island D = 72.12 km
Step-by-step explanation:
Let the total distance between harbor & island = D
Motor boat going to the island at speed
= 13 knots = 24 
Return speed of the motorboat
= 10 knots = 18.52 
The total time taken for both journey = 6.9 hours


D ( 0.0956 ) = 6.9
⇒ D = 72.12 km
This is the distance between harbor & the island.