Question

Amina thinks of a number and subtracts 5/2 from it . She multiplies the result by 8 . The number noe obtained is 3 times the same number she thought of . What is the number

Answer 1

4

Explanation:

(x/1-5/2) 8=3x

(2x-5/2) 8/1=3x

16x-40/2=3x

16x-40=6x

16x-6x=40

10x=40

x=40/10

x=4