Operation Neptune in a school setting-- Page 5

by  Alan Zisman (c) 2004

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Sonar: Divide the distance by the speed to get the number of hours it will take to reach it. In this case, 16 / 2 = 8.

Speed Indicator: There are several steps for this. First find your current speed (18). Find out how much to increase it by multiplying it by 1/6. (To do that, type 18, then *, then Fraction 1 / 6 = ). To get your new speed, add that answer (3) to your original speed (18). 18 + 3 = 21

Temperature: subtract to decrease temperature, add to increase temperature. If you need to get a negative number, click the Neg button then type the number.

Water Tank: divide the total amount of water by the amount you use each day. For instance, 18 gallons divided by 2 gallons per day: 18 / 2  = 9. You can use the calculator.

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