Question

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 score is 87. What is the lowest score?

Answer 1

Answer:

40.

Step-by-step explanation:

Let The Lowest Score Be 'x'.

2x+7 = 87

2x = 87-7

2x = 80

x = 80/2

x = 40

Therefore,The Lowest Score = 40.

MARK ME AS BRAINLIEST!!! (:

Answer 2

Answer:

let the lowest Mark's be "x"

highest Marks = 2*x+7

highest score = 87 ( given)

So therefore:

87 = 2x + 7

87 - 7 = 2x

80 = 2x

x = 80/2

therefore x = 40

Lowest marks is 40.