In center

What number lies in the center between a quarter of a fifth and a half of a third on the number axis?

Correct result:

x =  0.1083

Solution:

a=14⋅ 15=120=0.05 b=12⋅ 13=16≐0.1667  x=a+b2=0.05+0.16672=13120=0.1083

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