The teacher tells the class that the highest marks obtained by a
student in her class is twice the lowest marks plus 7. The highest
score is 87. What is the lowest score?
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Step-by-step explanation:
Highest marks obtained by a = twice the lowest marks + 7
Lowest score = Highest marks - 7 / 2
= 87-7/2
=80/2
=40
Hence , the lowest score is 40 marks .
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