The total number of cars served per year by this shop has increased by 35% over the past three years.
D strengthen the argument, if number of increase and percentage of failure decrease from 4% to 2% then it means efficiency of repair has improved.
A certain auto repair shop services a particular make of car in the downtown region of a particular city. Three years ago, 4% of all repairs at this shop were not successful --- the mechanics were not able to restore the car to a drivable state. This year, only
...
D strengthen the argument, if number of increase and percentage of failure decrease from 4% to 2% then it means efficiency of repair has improved.
Harley1980 wrote:
A certain auto repair shop services a particular make of car in the downtown region of a particular city. Three years ago, 4% of all repairs at this shop were not successful --- the mechanics were not able to restore the car to a drivable state. This year, only
...
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