270 Ã· ? Ã— 15 + 270 = 405
Pick one.
A) 24
B) 25
C) 30
D) 39
E) 43
Explanation:   270 Ã· ? Ã— 15 = 405 - 270= 
<gadget id="calculator">405 - 270</gadget>
<output>135</output>
135   (270 Ã— 15)/?= 135   ? = (270 Ã— 15)/135 = 30   Answer: Option 30
<result>C</result>
270 Ã· ? Ã— 15 + 270 = 405