Question

the teacher tells the class that the highest marks obtained by a student in our class is twice the lowest marks plus 7 the highest score is 87 what is the lowest score​

Answer 1

Answer: The lowest marks are 40 marks.

Step-by-step explanation:

Let the lowest marks be x.

Given that:

highest marks =2x+7 and

highest marks=87

Therefore,the value of x is:

87=2x+7

=2x=87-7=80

=x=80/2

=x=40 marks

Therefore, the lowest marks are 40 marks.

Answer 2

Answer:

hope it is helpful to you....

Step-by-step explanation:

let, lowest mark be x

highest mark =87

atq,

2x+7=87

2x=87-7

x = 80/2

x40

lowest mark =40