Question

sum of a number and it's half is 30 then the number is​

Answer 1

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

3x = 60

x = 60/3 = 20

Answer 2

Answer:

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

3x = 60

x= 60/3 = 20

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