If x=3y=4z, what is z+y, in terms of x?	Choose the correct option.
A) 3x/5 B) 4x/9 C) 11x/13 D) 7x/12 E) 5x/11
x=3y=4z   x/4 = z   and y = x/3   z+y = x/4 + x/3 = 7x/12   Answer is 7x/12
<result>D</result>
If x=3y=4z, what is z+y, in terms of x?