11. (5 points) The population of fruit flies doubles every 3 days. There were 320 fruit flies after 15 days. a) How many fruit flies did they start with?
fill in number grid_

Ask your question to the AI advisor

Ai-bot is an expert in any field and is the perfect companion for reliable and useful answers and advice on a variety of topics, including science, history, technology, art, sports, health, culture and more.