Well, she did alright. It held 87 pounds*, and it weighed 16.8 grams** itself. This meant an efficiency of 2350:1. The good news is that this was better than anyone at the school. The bad news is the runner-up's bridge had an efficiency around half of hers, so she's got to make a second one for the regional competition.
*weights from the gym
**scale from the chemistry room