Question

Amina think's of a number and subtract 5 by 2 from it she multiply the result by 8 the result now obtained is three times the same number she thought of what is the number​

Answer 1

Answer:

Your answer is 4

Step-by-step explanation:

(x-5/2)*8 = 3x

x-5/2 = 3/8*x

2x-5 = 3/4*x

8x - 20 = 3x

8x - 3x = 20

5x = 20

x = 20/5

x = 4

Answer 2

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Amina thinks of a number and subtracts 5/2 from it. She multiplies the result by 8. The result now obtained is 3 times the same number she thought of. What is the number?

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Let the number she thought be x

ATQ ,she subtract the 5/2 from the no.= x-5/2

She multiply the result by 8 =8(x-5/2)

Solution:-

3x = 8(x-5/2)

3x=8x -20

20=5x

x=4

So, the number she thought is 4.

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