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 thnx dedo
Answers
Answered by
3
Answer:
lelo...xd
Explanation:
a/q
2x+7= 87
2x=87-7
2x=80
x=80/2
x=40
lowest score=40
Answered by
10
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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