Question

the teacher tells the class that the highest marks obtained in her class is twice the lowest marks plus 7 the highest score is 87. Find the lowest marks ​

Answer 1

Step-by-step explanation:

let the lowest marks = x

so, 2x+7 = 87

= 2x = 87-7

= 2x = 80

x= 80/2

so, x = 40

the lowest marks is 40.