If 3x=8y=z, what is x+y, in terms of z? Options:
A) z/2
B) 2z
C) 11z/24
D) 3z/5
E) z/9
3x=8y=z   x = z/3   and y = z/8   x+y = z/3 + z/8 = 11z/24   Answer is 11z/24
<result>C</result>
If 3x=8y=z, what is x+y, in terms of z?