Answer:
5
Explanation:
In terms of ribbon, Alex intends to satisfy the equation ...
(1/6 yard/scrapbook) × (N scrapbooks) = 5/6 yards
Dividing by the coefficient of N, we have ...
N = (5/6)/(1/6) = 5 . . . . . . . units of yards and scrapbooks cancel
Alex can decorate 5 scrapbooks.