Answers edited by Vesco Santiago

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• How do you solve the system of equations below and give your answer as an ordered pair: 4x + 7y = 47 and 5x - 4y= -5?
  
• Question #bf352
  
• If you are traveling at 8 knots for 45 minutes, how far will you have traveled in nautical miles?
  
• I'm a bit confused on how to olve this, I keep on getting r = 1.98cm but apparently the answer is 5.91cm? Please help.