Answer:
4
Step-by-step explanation:
ll + ll = llll = 4
Divide the pages read by the portion read:
60/ 3/4 = 60 x 4/3 = 240/3 = 80
The book has 80 pages.
6
x×3/5=30
3x/5=30
3x=5×30
3x=150
x=150/3
x=50
