Question

what is class Mark of 80- 90​

Answer 1

Answer:

class mark is 80-90.............

Answer 2

Step-by-step explanation:

dear user

$Class \: mark \: of a−b \: is \: \frac{a + b}{2} </p><p> \\ Class \: mark \: of 80−90 \:  is \: \frac{80 + 90}{2} \\ = \frac{170}{2} = 85 \\ class \: mark \: of80 - 90 = 85 \\ </p><p></p><p></p><p>$

Answer 85..

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