It costs 16 to travel in a specific zone in paris Now suppos

It costs $16 to travel in a specific zone in paris. Now suppose their is an $8 fee applied to enter the zone to travel in it (no fee to leave it). It normally takes 40 minutes to travel in the zone, but the time falls to 30 minutes. what is now the total cost for travel in the zone with these changes?

1) $5

2) $8

3) $10

4) $12

5) $20

Solution

2) $8

New entry fee.