The ratio, in which tea costing 192 per kg is to be mixed with tea costing 150 per kg so that the mixed tea, when sold for 194.40 per kg, gives a profit of 20%, is ?

The ratio, in which tea costing 192 per kg is to be mixed with tea costing 150 per kg so that the mixed tea, when sold for 194.40 per kg, gives a profit of 20%, is ?