Question

A student's grade in a course is determined by 6 quizzes and one examination. If the examination counts thrice as much as each of the quizzes, what fraction of final grade is determined by the examination?

a)1/6

b)1/5

c)1/3

d)?; A student's grade in a course is determined by 6 quizzes and one examination. If the examination counts thrice as much as each of the quizzes, what fraction of final grade is determined by the examination?; a)1/6; b)1/5; c)1/3; d)?

Answer 1

Answer:

Step-by-step explanation:

1examination =3( 1 quiz)

let exam carry x marks and 1 quiz carry y marks.

Then 1 exam = x = 3y

Total marks = x + 6y

= 3 y +6y =9y

Fraction of examination marks = 3y/9y = 1/3rd part of total marks