To boil the egg in exactly 15 minutes, follow these four steps.
1. Start both hourglasses as you start boiling the egg.
2. After the 7-minute hourglass runs out, turn it over to start it again.
3. Four minutes later, when the 11- minute hourglass runs out, turn the 7-minute hourglass again.
4. Wait for the 7-minute hourglass to run out, which will take another four minutes and get you to exactly 15 minutes of boiling time.
Correct Answers Submitted By: Harrison Roakes, PE, Sanborn Head Benjamin Osgood, PE, Ranger Engineer Group
Ben Longchamp, Daigle Engineers Nate Miller, SNH Planning Commission
Evan Lowell, PE, Gannett Fleming Transystems
Dave Patenaude, PE, AECOM Jeff Lloyd, PE, WSP Ryan Leonard, NHDOT, Bur. of Traffic Frank Koczalka, PE, VHB
Whats the Next Number?
What is next in this sequence of numbers: 1, 11, 21, 1211, 111221, 312211, ______?
Please send your answers to Thomas Selling via e-mail: thomasselling @ me. com Correct responses will be recognized in the future issues of the New Hampshire Civil Engineer
To boil the egg in exactly 15 minutes, follow these four steps.
1. Start both hourglasses as you start boiling the egg.
2. After the 7-minute hourglass runs out, turn it over to start it again.
3. Four minutes later, when the 11- minute hourglass runs out, turn the 7-minute hourglass again.
4. Wait for the 7-minute hourglass to run out, which will take another four minutes and get you to exactly 15 minutes of boiling time.
Correct Answers Submitted By: Harrison Roakes, PE, Sanborn Head Benjamin Osgood, PE, Ranger Engineer Group
Ben Longchamp, Daigle Engineers Nate Miller, SNH Planning Commission
Evan Lowell, PE, Gannett Fleming Transystems
Dave Patenaude, PE, AECOM Jeff Lloyd, PE, WSP Ryan Leonard, NHDOT, Bur. of Traffic Frank Koczalka, PE, VHB