Advanced MathEasyValue of a doubling model after one period
Advanced Math practice question
The number of lily pads on a pond is modelled by L(w) = 20 · 2ʷ, where w is the number of weeks from now. How many lily pads does the model give one week from now?
Answer: 40
20 × 2 = 40.
Common wrong answers
- If you answered 20
- 20 is the number now.
- If you answered 22
- 22 adds 2.
- If you answered 80
- 80 is two weeks from now.
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