Subhangi told her friend Meenu that the highest marks obtained by a student in her class is twice the lowest mark plus 9. The highest score is 89 . What will be the lowest score?
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Answer:
The lowest mark is 40
Step-by-step explanation:
Let the lowest mark be x.
Highest score = 2x + 9 = 89
2x + 9 = 89
2x = 89 - 9 = 80
x = 80/2 = 40
The lowest mark is 40.
Hope it helps you:)
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