Hello I hope I can help you with this!!
EXPLANATION:
50minutes= 25 pages
50/5= 10
25/5=5
10 minutes = 5 pages
We want to find out 35 pages so...
5 pages times 7 to get 35 pages so we have to do the same to the other side...
10 minutes: 5 pages
10 minutes times 7
70minutes: 35 pages
ANSWER IS: 70 minutes