The burden of maintaining the U.S. highway system falls disproportionately on the trucking industry. Trucks represent only about 10 percent of the vehicles on U.S. roads. Yet road use taxes assessed on trucks amount to almost half the taxes paid for highway upkeep and repair.
Which of the following, if true, would most weaken the argument above?

Question

Examsnet · Accepted Answer

Correct Answer is :  Because of their weight, trucks cause over 50 percent of the damage sustained by highway surfaces each year.

GMAT Verbal Reasoning Practice Test 2