Question

sum of a number and its half is 30 then the number​

Answer 1

Answer:

20

Step-by-step explanation:

Let number be x half of number is x/2 Sum of number and it’s half is given by

x + x/2 = 30 [Multiplying by 2 on both sides] 2x + x

= 30 x 2 30

= 60 x

= 60/3 = 20

Answer 2

Answer

20+20÷2=30...

Or x+x ÷ 2

3x ÷ 2 = 30

3x = 60

X = 20... therefore x+x÷2 = is 20+20÷2=30

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