Question

the teacher tells the class that the highest marks obtained by the student in her class are twice the lowest marks
plus7 the highest score is 87 what is the lowest score​

Answer 1

Let the lowest marks be x.

According to the question,

2x+7=87

2x=87-7

x= 80÷2

x=40

------×-------

Answer 2

Answer:

40

Step-by-step explanation:

let lowest score be x

and highest score be y

then,

According to question,

2x+7=y

2x+7=87

2x=80-7

x = 80/2

x=40

Therefore the lowest score is 40