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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Step-by-step explanation:
Step by step explanation :
Let the number be x .
Then, according to problem ,
(x-5/2) ×8 = 3x
8x-20 = 3x
8x-3x =20
5x = 20
x= 20/5 = 4
therefore , the number is 4 .
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