Math, asked by tuba9156, 1 year ago

Aman thinks of a number and subtract 5/2 from it .she multiplys the result by 8 .the result now obtained in 3 times the same number she thought of . What is the number

Answers

Answered by abhi569
1
Let the number be x,

According to the given information,

(x -5/2) × 8 = 3×x

(2x -5)/2 × 8 = 3x

(2x-5)×4 = 3x

8x -20=3x

8x -3x =20

5x = 20

x =20/5

x =4


Required number is 4

I hope this will help you

-by ABHAY
Answered by Robin0071
1
Solution:-

let 》 aman thinks a number of = x

acourding to quetion》

= (x-5/2 )×8 = 3x

= x-5/2 = 3x/8

= x-3x/8 = 5/2

= (8x-3x) = 40/2

= 5x = 20

=( x= 4)

(aman thinks a number is = 4)ans
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