If x/y=2 and z/x=4, what is the value of x+y+z/x?

A 4 1/2

B 5

C 5 1/2

D 6

E 7

Again, please use parentheses! Don’t make me guess what your fractions are doing.

The first term is obviously 1. The second term is the inverse of one of the given fractions. If , then . The third term, you’re told, is 4.

1 + 1/2 + 4 = 5.5