3 years ago

I need help please ):

1 answer:

7 0

Answer;

X = 18: AD = 18

Step-by-step explanation:

Here, we want to find the measure of AD

From the given image;

AB = x + 3

AD = x

AC = 24 + 4 = 28

AE = 24

Substituting these values

we have ;

(x + 3)/x = 28/24

24(x + 3) = 28x

24x + 72 = 28x

28x - 24x = 72

4x = 72

x = 72/4

x =18

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Step-by-step explanation:

What's percentage decrease?

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The formula to find percent decrease is $\frac{NV-IV}{IV} * 100$ , where NV = new value and IV = initial value.

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We know that the original value was $60, so that represents IV. Also, now that the price is $42, it represents NV.
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