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?

Answer 1

Let the number be x.
Atq, (x-5/2)8 = 3x
8x - 20 =3x
5x=20
x = 4
Hope this helps....!!