Question

Highest marks obtained by a student in her class is twice the lowest marks plus 9.the highest score is 91.what is the lowest score?​

Answer 1

Step-by-step explanation:

let the lowest score be x

According to the question=

2x+9= the highest score

2x +9=91

2x=91-9

x=82/2

x=41

hence the lowest score is 41