The teacher tells the class that the highest mark obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87.(Take the lowest score to be 'l')
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Answer:
Lowest marks = 40
Step-by-step explanation:
Let the highest marks be = H
As per the statement,
H = 2L + 7
87 = 2L + 7
2L = 87 - 7
2L = 80
L = 80 / 2
L = 40
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