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The tempreature in Anchorage Alaska one morning was `6` degrees Fahernheit. By mid-afternoon, the temperature had dropped to `11` degrees below zero. What was the difference between the morning and afternoon temperatures?

degrees Fahrenheit

Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172

Enter DNE for Does Not Exist, oo for Infinity

17