Solve the proportion: 1. 40 pages in 2 days = ___ pages in 4 days

2. 70 calls in 2 hours = ___ calls in 4 hours

3. 20 miles in 3 hours = ___ miles in 5 hours

4. 50 seats in 10 rows = ___ seats in 15 rows

5. 300 calls in 5 hours = ___ calls in 3 hours

6. 12 pages in 2 days = ___ pages in 3 days

7. 30 miles in 5 hours = ___ miles in 8 hours

8. 50 meters in 20 sec = ___ meters in 30 sec

9. 80 seats in 15 rows = ___ seats in 10 rows

10. 20 calls in 1 hour = ___ calls in 2 hours