In a laboratory there were 40 fruitflies last week and during experiment 4 fruitflies died in a week. Calculate the death rate.
- A0.1 individual of fruitfly per year.
- B0.36 individual of fruitfly per week.
- C0.4 individual of fruitfly per week.
- D0.1 individual of fruitfly per week.
✓ Correct answer: D
Want the full step-by-step reasoning?