Question

3. Find a number which when added to its half gives 42​

Answer 1

x+x/2=42

=>(2x+x)/2=42

=>3x=42×2

=>x=84/3

=>x=28

Answer 2

Answer:

28

Step-by-step explanation:

Let the number be x and its half be 1/2x

x + 1/2x = 42

On taking LCM,

(2x + x) / 2 = 42

3x = 42 * 2

3x = 84

x = 84/3 = 28

∴ The number is 28.

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