Question

5. The teacher tells the class that the highest marks obtained by a student in her class is four times
the lowest marks plus 3. The highest score is 83. What is lowest score?
​

Answer 1

Answer:

40 marks

Step-by-step explanation:

Let the highest mark b x and lowest mark be y then the equation will be

x = 2 Y + 7

87=2y+7.

87-7=2y

80=2y.

y=80/2

y=40..marks

Answer 2

Answer:

so, the lowest marks is 20

because

Step-by-step explanation:

let the lowest marks be - x

a/q,

the equation -

4x+3 = 83

4x = 83-3

4x = 80

x = 80/4

x = 20

Therefore the lowest marks is 20.