1. 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:
Let the number thinked by Amina be x
According to the question she substracted the number by 5/2 and then multiplied it with 8
Equation formed
= 8×(x-5/2)
= 8x-20
then the result came is equal to three times the number
that means
= 3x
the equation formed
=> 8x-20 = 3x
=> 8x-3x = 20
=> 5x = 20
=> x = 20/5
=> x = 4
Therefore, the number or x is equal to 4.
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