Question

I thought a number , divide it by 5 and multiplied by 10 the result is 4, what is the number​

Answer 1

Step-by-step explanation:

x/5×10=4

x/5=4/10

x=(4/10)×5

x=2

Answer 2

Answer:

So, let the number you thought be x.

You divided it by 5, x/5

multiplied by 10, 10x/5

and the result is 4

∴ 10x/5 = 4

⇒ 2x = 4

⇒ x = 4/2 = 2

So, the number you thought is 2.