Question

2. Kachina is going to a concert that begins at 7:30 P.M. She

needs to arrive at the ticket window 15 minutes before
the concert to get her ticket. It takes Kachina 35 minutes
to ride to the concert, then 10 minutes to park the car. At
what time should Kachina leave for the concert?

Answer 1

6:30 P.M.

Explanation:

Since Kachina must do all these things before 7:30 P.M., we must find the sum of the times of the things she must do before the concert and subtract it from 7:30

The sum of the minutes is 60, which is 1 hour. Thus, Kachina should leave 1 hour before 7:30 which is 6:30 P.M.