find the ratio in which rice at rs. 7.20 a kg be mixed with rice at rs. 5.70 a kg to produce a mixture worth rs. 6.30 a kg?	Select the correct option.
A) 1 : 3	B) 2 : 3	C) 3 : 4	D) 4 : 5	E) none of these
<gadget id="calculator">6.3 - 5.7</gadget>
<output>0.6</output>

<gadget id="calculator">7.2 - 6.3</gadget>
<output>0.9</output>

<gadget id="calculator">0.6 / 0.9</gadget>
<output>0.666667</output>

<result>B</result>
find the ratio in which rice at rs. 7.20 a kg be mixed with rice at rs. 5.70 a kg to produce a mixture worth rs. 6.30 a kg?
divide(subtract(6.3, 5.7), subtract(7.2, 6.3))
solution required ratio = 60 : 90 = 2 : 3 answer b