S:E = 1:3
E:M = 3:5
------------
S:E:M = 3:9:15
3/27 * 162 = 18
Pick one.
A) 18	B) 16	C) 16	D) 17	E) 19
S:E = 1:3   E:M = 3:5   ------------   S:E:M = 3:9:15   3/27 * 162= 
<gadget id="calculator">3/27 * 162</gadget>
<output>18</output>
18   18nswer: 18
<result>A</result>
S:E = 1:3
E:M = 3:5
------------
S:E:M = 3:9:15
3/27 * 162 = 18