If 2x = 3y = 10, then 9xy = ?	Choose the correct answer:
A) 1,200	B) 200	C) 150	D) 40	E) 20
2x = 10;x=5   3y = 10;y=10/3   Multiply: 9xy=9*5*10/3= 
<gadget id="calculator">9*5*10/3</gadget>
<output>150</output>
150   Answer: 150.
<result>C</result>
If 2x = 3y = 10, then 9xy = ?