Question

please help me to solve this problem​

Answer 1

Step-by-step explanation:

Let the no be x

(x+5/2)×8=3x

(2x/2+5/2)×8=3x

2x+5/2×8=3x

(2x+5)×4=3x

8x+20=3x

8x-3x=20

5x=20

x=20/5

x=4

Answer 2

hello dear...

here is your answer :

Answer:

4

Step-by-step explanation:

let the number amina thinks be x.

according to question,

$(x - \frac{5}{2} ) \times 8 = 3x \\ = > 8x - \frac{5}{2} \times 8 = 3x \\ = > 8x - 3x = 20 \\ = > 5x = 20 \\ = > x = \frac{20}{5} \\ = > x = 4$

hope it helps u...