Amina thinks of a number and subtracts 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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Number = a
(a - 5/2) x 8 = 3a (given)
8a - 20 = 3a
5a = 20
a = 20/5 = 4
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