the teacher tells the class that the highest marks obtained by a student in her class is the twice the lowest marks plus 7.the highest score is 87.what is the lowest score
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14
Step-by-step explanation:
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let lowest marks = x
highest marks = 2x+7
2x+7=87
x= 40
40 is the lowest score ✌
Answered by
3
Answer:
Let's assume the lowest mark is
′
x
′
.
twice the lowest mark will be 2x
given that twice the lowest marks plus seven is highest mark.
=> 2x+7=87
=>2x=80
=>x=40
Hence the lowestmark is 40.
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