Question

Amina things of a number and subtract 5.2 from 80 x 8 the results obtained is 3 times the same number she thought what is the number

Answer 1

Hii friend,

Let the number be X.

80 × 8 = 640

According to question,

640 - 5.2 = 3(X)

634.8 = 3X

X = 634.8/3

X = 211.6

Hence,

Number = X = 211.6


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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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