Question

14. 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 mark is 87. What is
the
lowest mark,​

Answer 1

Answer:

lowest mark=40

Step-by-step explanation:

let the lowest mark be x

2x+7=87

2x=87-7

2x=80

x=80/2

x=40