Question

. The teacher tells the class that the highest mark obtained by a
student in her class is seven more than twice the lowest mark. The
highest score is 87.What is the lowest score?

Answer 1

Let lowest score be = x

then,

highest marks = 2x+7

87=2x+7

80=2x

x=40

Answer 2

the lowest marks is 40 because see it is said that highest marks is 7 more than twice of lowest marks so 87-7=80 th en 80 is twice of 40 so the answer is 40