If x, y, and z are positive integers, and 4x = 5y = 8z, then the least possible value of x + y + z is  Choose the correct choice from the following answers:
A) 15
B) 23
C) 37
D) 42
E) 60
Take LCM of 4,5 and 8 = 40   Now 4x = 40 =&gt; x =10   5y = 40 =&gt; y = 8   8z = 40 =&gt; z =5   10+8+5= 
<gadget id="calculator">10+8+5</gadget>
<output>23</output>
23.   Option 23.
<result>B</result>
If x, y, and z are positive integers, and 4x = 5y = 8z, then the least possible value of x + y + z is