In what ratio tea at Rs 240/kg should be mixed with tea at Rs 280/kg so that on selling the mixture at Rs 324/kg there is a profit of 20%?

In what ratio tea at Rs 240/kg should be mixed with tea at Rs 280/kg s

1.	In what ratio tea at Rs 240/kg should be mixed with tea at Rs 280/kg so that on selling the mixture at Rs 324/kg there is a profit of 20%?
A.	0.042361111111111
B.	0.043055555555556
C.	0.04375
D.	0.044444444444444
Answer» D. 0.044444444444444