A used car is on sale for $3,600. Eric offered the owner of the car 4/5 of the asking price. How much was Eric's offer?

2 answers:

8 0

2880. What you do is you set this problem up as a proportion. So you do 4/5= x/3600. You then cross multiply and divide.

Leya [2.2K]4 years ago

6 0

The word OF means that you need to Multiply. 4/5 OF 3,600 is 3,600*4/5. When you Multiply these, you get 2,880. So, your answer is $2,880.

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Caroline bought 20 shares of stock at 101/2, and after 10 months the value of the stocks was 111/4. If Caroline were to sell all

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I believe that the right prices are $10 \frac{1}{2}$ and $11 \frac{1}{4}$ .

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Read 2 more answers

On percent error, if 48% is the actual and the error rate is 20%, what is the estimate?

alex41 [277]

The estimate is 57.6 %

Solution:

Given that, On percent error, 48% is the actual and the error rate is 20%

To find: Estimate

Percent error is the difference between a measured and known value, divided by the known value, multiplied by 100%

The formula for percent error is given as:

$\text { percent error }=\frac{\text {estimated value}-\text {actual value}}{\text {actual value}} \times 100$

Here given that,

percent error = 20 %

Actual = 48 %

Estimate = ?

Let "x" be the estimate

Substituting the values we get,

$20 = \frac{x-48}{48} \times 100\\\\20 \times 48 = (x-48) \times 100\\\\960 = x - 48 \times 100\\\\x - 48 = \frac{960}{100}\\\\x - 48 = 9.6\\\\x = 48 + 9.6\\\\x = 57.6$