Kamina thinks of a number and subtract 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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the no is 4
solution:
Let the no be x
on subtracting it from 5/2 it becomes 2x-5/2
on multiplying by 8 we get 8x-20
as said the result is 3times the no thought
so 8x-20 =3x
8x-3x =20
5x=20
x=4
Hope it helps
solution:
Let the no be x
on subtracting it from 5/2 it becomes 2x-5/2
on multiplying by 8 we get 8x-20
as said the result is 3times the no thought
so 8x-20 =3x
8x-3x =20
5x=20
x=4
Hope it helps
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