alleryA town is at 3 degrees below zero and the temperature rises by 7. What is the new reading?
A-4 degrees
B4 degrees
C-10 degrees
D10 degrees
Answer & Solution
Correct answer: B. 4 degrees
1. Start at -3 and move up by 7.
2. -3 + 7 = 4, since the positive amount is larger.
3. -4 and -10 stay negative, and 10 forgets the starting point.
_Source: Wikipedia, Negative number, Addition_
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