Answer on Calculus Question for Lucy
1. How long will it take her to reach the woman if she run the full 220 m on the beach and swim 75 m?
2. In hindsight, Angela thinks that it may be quicker to swim directly out to the woman in trouble. How long would it have taken her if she had swum the entire distance?
3. Find the quickest time (down to the nearest metre) for Angela to reach the woman.
Could you please show all working out and explain it? & Thank you.
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