Hammers and wrenches are manufactured at a uniform weight per hammer

Tough and Tricky questions: Word Problems.

Hammers and wrenches are manufactured at a uniform weight per hammer and a uniform weight per wrench. If the total weight of two hammers and three wrenches is one-third that of 8 hammers and 5 wrenches, then the total weight of one wrench is how many times that of one hammer?

A) 1/2
B) 2/3
C) 1
D) 3/2
E) 2

Kudos for a correct solution.

Source: Chili Hot GMAT