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?
please fast
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Answered by
0
Answer:
1234578909876421123557
Answered by
1
Answer:
lowest marks = x
Highest Marks = 2x + 7
87 = 2x + 7
87 - 7 = 2x
80 = 2x
x = 80/2
x = 40
therefore, lowest score is 40
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