Question

the teacher tells the class that the highest marks obtained by a student in their class is twice the lowest marks plus 7. the highest score is 87.find the lowest score.

Answer 1

Answer:

40

Step-by-step explanation:

Let us say that the lowest marks is x.

Then, according to the question,

2x + 7 = 87

2x = 80 [Subtracting both sides by 7]

x = 40 [Dividing both sides by 2]

Lowest marks is 40.

Answer 2

Answer:

let the lowest marks be x

2x+7=87

2x=87-7

2x=80

x=80÷2

x=40

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