Question

Amina thinks of a number and subtrct 5/2 from it . She multiplies the result by 8 . the result now obtained is 3 times the sane number she thought of . What is the numaer r

Answer 1

Let the number Amina thought of be 'x'

A/C

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

=> 8x-20 = 3x

=> 8x-3x = 20

=> 5x = 20

=> x = 5

Therefore, the number is 5

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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