Question

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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Answer 1

Answer:

Let she thoughts the no x

according to question ,she subtract the 5/2 from the no.= x-5/2

now ,she multiply the result by 8 =8(x-5/2)

according to statement

3x = 8(x-5/2)

3x=8x -20

20=5x

x=4

she thought the no. as 4

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Step-by-step explanation:

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Answer 2

Answer:

4

Step-by-step explanation:

let the number be x

(x-5/2)8=3x

x-5/2=3x/8

2x-5 3x

____ = _____

2 8

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

16x-40= 6x

16x-6x =40

10x=40

x=4