An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $1600 and his stock in Company B was worth $1750. The stock in Company A has decreased 22% since last year and the stock in Company B has decreased 14%. What was the total percentage decrease in the investor's stock account? Round your answer to the nearest tenth (if necessary).Answer:
Q. An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $1600 and his stock in Company B was worth $1750. The stock in Company A has decreased 22% since last year and the stock in Company B has decreased 14%. What was the total percentage decrease in the investor's stock account? Round your answer to the nearest tenth (if necessary).Answer:
Calculate Stock Value Company A: Calculate the new value of the investor's stock in Company A after a 22\% decrease.Original value of stock in Company A: $1600Percentage decrease: 22%Decrease in value: $1600×(22/100)=$352New value of stock in Company A: $1600−$352=$1248
Calculate Stock Value Company B: Calculate the new value of the investor's stock in Company B after a 14% decrease.Original value of stock in Company B: $1750Percentage decrease: 14%Decrease in value: $1750×(10014)=$245New value of stock in Company B: $1750−$245=$1505
Calculate Total Original Value: Calculate the total original value of the investor's stock account.Total original value = Value of stock in Company A + Value of stock in Company BTotal original value = $1600 + $1750 = $3350
Calculate Total New Value: Calculate the total new value of the investor's stock account.Total new value = New value of stock in Company A + New value of stock in Company BTotal new value = $1248 + $1505 = $2753
Calculate Total Decrease: Calculate the total decrease in value of the investor's stock account.Total decrease = Total original value - Total new valueTotal decrease = $3350 - $2753 = $597
Calculate Total Percentage Decrease: Calculate the total percentage decrease in the investor's stock account.Total percentage decrease = (Total decrease/Total original value)×100%Total percentage decrease = ($597/$3350)×100%Total percentage decrease \approx 17.8\%
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