Answer:
3 2/6
Step-by-step explanation:
total pages to be written
add 4 to 1/2 using common denominators
4 1/2 = 8/2 + 1/2
= 9/2 or 27/6
pages Marcus wrote
add 1 to 1/6 using common denominators
1 1/6 = 6/6 + 1/6
= 7/6
pages left
27/6 - 7/6 = 20/6 or 3 2/6