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 mark is 87. What is the lowest mark?
Answers
Answered by
1
Answer:
40
Step-by-step explanation:
It is forty because
2x +7 =87
2x= 80
DBSB 2 =80/2 = 40
Therefore answer = 40
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Answered by
1
Answer:
Its 40
Step-by-step explanation:
Let Lowest marks be L and Highest marks be H
ATQ
H=2L+7
H=87
87=2L+7
2L=80
L=80/2
L=40
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