Question
At Srinagar temperature was −5∘C on Monday and then it dropped by 2∘C on Tuesday. What was the temperature of Srinagar on Tuesday? On Wednesday, it rose by 4∘C. What was the temperature on Wednesday? If the temperature drops by 2∘ each day after Wednesday, then, find the temperature on Saturday. [4 MARKS]
Answer:
:
Steps: 1 Mark
Temperature on Tuesday: 1 Mark
Temperature on Wednesday: 1 Mark
Temperature on Saturday: 1 Mark
Temperature on Monday =−5∘C
Temperature on Tuesday = Temperature on Monday −2∘C
=−5∘C−2∘C=−7∘C
Temperature on Wednesday = Temperature on Tuesday +4∘C
=−7∘C+4∘C=−3∘C
Therefore, the temperature on Tuesday and Wednesday was −7∘C and −3∘C respectively.
Given that
Thetemperaturedropsby2∘each dayafterWednesday
The temperature on Wednesday =−3∘C
The temperature on Saturday
=−3−(2×3)=−3−6=−9∘C
The temperature on Saturday is −9∘C
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:
Steps: 1 Mark
Temperature on Tuesday: 1 Mark
Temperature on Wednesday: 1 Mark
Temperature on Saturday: 1 Mark
Temperature on Monday =−5∘C
Temperature on Tuesday = Temperature on Monday −2∘C
=−5∘C−2∘C=−7∘C
Temperature on Wednesday = Temperature on Tuesday +4∘C
=−7∘C+4∘C=−3∘C
Therefore, the temperature on Tuesday and Wednesday was −7∘C and −3∘C respectively.
Given that
Thetemperaturedropsby2∘each dayafterWednesday
The temperature on Wednesday =−3∘C
The temperature on Saturday
=−3−(2×3)=−3−6=−9∘C
The temperature on Saturday is −9∘C
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