Amina thinks of a number and subtract 5/2 from it. she multiplies the result by 8 the result obtained is 3 times the same number she thought of .what is the number?
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sorry for my handwriting
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Answered by
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let the number be x
ATQ,
(x - 5/2) × 8 = 3x
(2x-5)/2 × 8 = 3x
(2x-5)×4 = 3x
8x-20 = 3x
8x-3x = 20
5x = 20
x = 20/5 = 4
The number is 4
ATQ,
(x - 5/2) × 8 = 3x
(2x-5)/2 × 8 = 3x
(2x-5)×4 = 3x
8x-20 = 3x
8x-3x = 20
5x = 20
x = 20/5 = 4
The number is 4
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