Question

The teacher tells the class that the highest mark obtained by a student in her

class is twice the lowest marks plus 7 . The highest score is 87. What is the

lowest score?


pls answer this step by step any one plss I will mark you as brilliant
and I will give grade​

Answer 1

Answer:

lowest score: 40

Step-by-step explanation:

let the lowest score be x

highest score = 87

then, the relation between the highest and lowest score is-

= 87 = 2x + 7

solving for x-

= 87 - 7 = 80 = 2x

= 80/2 = 40 = x

therefore, the lowest score is 40.

Hope this was helpful :)