Advanced MathEasy–MediumPopulation after two triplings
Advanced Math practice question
A population of 200 insects triples every week. What is the population after 2 weeks?
Answer: 1800
200 × 3 × 3 = 1,800.
Common wrong answers
- If you answered 600
- 600 is after one week.
- If you answered 1200
- 1200 adds 600 twice, as if the growth were linear.
- If you answered 5400
- 5400 is after three weeks.
More Advanced Math questions
- Easy–Medium
If f(x) = 2x² − 3, what is f(4)? - Easy–Medium
Which expression is equivalent to (2x³)(3x⁴)? - Easy–Medium
What are the solutions to x² − 16 = 0? - Easy–Medium
Which expression is equivalent to (x + 5)²? - Easy–Medium
For x ≠ 0, which expression is equivalent to (x² + 3x) / x? - Easy–Medium
What are the solutions to the equation 2(x − 3)² − 32 = 0 ?
Not affiliated with the College Board. SAT is a trademark of the College Board.