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

### Instruction:
 一位艺术家每周花30小时绘画。如果她需要3小时完成一幅画，她在四周内可以完成多少幅画？


### Response:
 她每周完成的画作数量是30小时/周 / 3小时/幅画 = <<30/3=10>>10幅画/周
所以一个月内她可以画10幅画/周 * 4周/月 = 40幅画