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One number is three times the other an d there arthmetic mean is 20 find numb

Sagot :

Answer: 10 and 30

Step-by-step explanation:

Assuming the first number to be 'x'. The second number being '3x'.

Arithmetic Mean of 2 no. is (a+b)/2...Here it will be (x+3x)/2 = 20.

Solving for 'x'  we get 10 from simplifying it to 4x/2=20.

Therefore the two numbers are : x=10 and 3x=30

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