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OpenStudy (anonymous):
Julio checked the temperature of a bag of frozen peas and found it was at −12°C. After he left the bag out of the freezer for an hour, its temperature rose to 7°C. What was the change in temperature in an hour?
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OpenStudy (anonymous):
What do you think the answer is?
OpenStudy (anonymous):
-19
OpenStudy (anonymous):
The answer isnt -19 degrees but positive 19 degrees
OpenStudy (anonymous):
Because a negative plus a negative makes a negative
OpenStudy (anonymous):
duh i should have known that thank you!!(:
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OpenStudy (anonymous):
No problem :)
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