Question 48


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waecmaths question: 

The temperature in a chemical plant was  –5oC at 2.00am . The temperature fell by 6oC and then rose again by 7oC. What was the final temperature?

Option A: 


Option B: 


Option C: 


Option D: 


waecmaths solution: 

The final temperature = –5oC – 6oC +7oC = –4oC

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