Question

Give right answer or else

Answer 1

`A=(1)/(2)\cdot3(3)/(10)\cdot2(6)/(7)=(1)/(2)\cdot(33)/(10)\cdot(20)/(7)=(1\cdot33\cdot20)/(2\cdot10\cdot7)=(1\cdot33\cdot20)/(20\cdot7)=(1\cdot33)/(7)=\\\\\\=(33)/(7)=\boxed{4(5)/(7)}`