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?
who will give me write answer
i give brainlist and follow
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2
Answer:
Lowest \:score =40Lowestscore=40
Step-by-step explanation:
Let\: Lowest \:score \: in \:the \:class = xLetLowestscoreintheclass=x
Heighest \:score = 87Heighestscore=87
\implies Twice \:the \: Lowest \: score +7=87⟹TwicetheLowestscore+7=87
\implies 2x+7=87⟹2x+7=87
\implies 2x=87-7⟹2x=87−7
\implies 2x=80⟹2x=80
\implies x = \frac{80}{2}⟹x=
2
80
\implies x = 40⟹x=40
Therefore,.
Lowest \:score =x=40Lowestscore=x=40
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is the correct answer dear
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