Question

sum of a number and its half is 30 then the number is 20,25,40​

Answer 1

Answer:

20

Step-by-step explanation:

20+20÷2=10

20+10=30

Answer 2

Answer:

Answer is 10

Step-by-step explanation:

Let the number be x,

then, x + x/2 = 30

= 3x/2 = 30

= x = (30 ×2)/3

solving for x, we get : x = 20.