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Question Number 55205 by Hassen_Timol last updated on 19/Feb/19

$$\mathrm{Please},\mathrm{can}\mathrm{you}\mathrm{help}\mathrm{me}\mathrm{with}\mathrm{the}\mathrm{following}?$$$$$$$$$$$$\mathrm{A}\mathrm{boat}\mathbf{B}\mathrm{is}\mathrm{found}\mathrm{at}40\mathrm{km}\mathrm{at}\mathrm{at}\mathrm{the}\mathrm{east}\mathrm{of}$$$$\mathrm{a}\mathrm{boat}\mathbf{A}.\mathbf{A}\mathrm{is}\mathrm{moving}\mathrm{at}30°\mathrm{east}\mathrm{at}20\mathrm{km}/\mathrm{h},$$$$\mathbf{B}\mathrm{is}\mathrm{moving}\mathrm{qt}10\mathrm{km}/\mathrm{h}\mathrm{at}30°\mathrm{west}.$$$$$$$$\mathrm{After}\mathrm{how}\mathrm{many}\mathrm{hours}\mathrm{will}\mathrm{the}\mathrm{two}\mathrm{boats}$$$$\mathrm{be}\mathrm{the}\mathrm{closest}\mathrm{to}\mathrm{each}\mathrm{other}?$$$$\mathrm{What}\mathrm{will}\mathrm{therefore}\mathrm{be}\mathrm{the}\mathrm{position}\mathrm{of}\mathrm{the}$$$$\mathrm{boat}\mathbf{B}\mathrm{and}\mathrm{the}\mathrm{boat}\mathbf{A}?$$$$$$$$$$$$\mathrm{Thank}\mathrm{you}$$$$$$

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