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Helga [31]
3 years ago
7

An investor has an account with stock from two different companies. Last year, her stock in Company A was worth $2000 and her st

ock in Company B was worth $5720. The stock in Company A has decreased 12% since last year and the stock in Company B has decreased 15%. What was the total percentage decrease in the investor's stock account? Round your answer to the nearest tenth (if necessary).
Mathematics
1 answer:
Harlamova29_29 [7]3 years ago
4 0

Answer:

14.2%

Step-by-step explanation:

1. Find the new cost for Stock A:

2000x0.88=1760

2. Find the new cost for Stock B:

5720x0.85=4862

3. Find total sum of the original stocks:

2000+5720=7720

4. Find total sum of the new stocks:

1760+4862=6622

5. Find the decrease:

7720(1-x)=6622

Solve for x

x=14.2

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John bought 3 pineapples and 2 watermelons for $8.50. Sue bought 2 pineapples and 4 watermelons for $13.00. Write and show a sys
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As per your question, total cost of watermelon should end with either 5(for odd quantity) or 0(for even quantity).

If the quantity of watermelon is odd, then the total cost value of pineapple should end with 3 and this is not possible when the cost of pineapple is ₹7.

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3 years ago
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Step-by-step explanation:

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