Respuesta :

Answer:

5/12 is from homework and quizzes

Explanation:

Parameters:

Score on test is worth 1/3

Score on exam is worth 1/4

Let x be the fraction from homework and quizzes, then

1/3 + 1/4 + x = 1

We can solve for x from the above equation

7/12 + x = 1

x = 1 - 7/12

= 5/12