Below is an instruction that describes a task. Write a response that appropriately completes the request in Thai. Please answer in Thai.

### Instruction:
There were 133 people at a camp. There were 33 more boys than girls. How many girls were at the camp?

### Response:
 มีเด็กหญิง n คนในค่าย
มีเด็กชาย (n+33) คนในค่าย
(n+33) + n = 133
2n + 33 = 133
2n = 100
n = <<50=50>>50
มีเด็กหญิง 50 คนในค่าย