Check Your Skills

3. One hour after Adrienne started walking the 60 miles from Town X to Town Y, James started walking from X to Y as well. Adrienne walks 3 miles per hour, and James walks 1 mile per hour faster than Adrienne. How far from X will James be when he catches up to Adrienne?

   1. 8 miles
   2. 9 miles
   3. 10 miles
   4. 11 miles
   5. 12 miles

4. Nicky and Cristina are running a 1,000 meter race. Because Cristina is faster than Nicky, she gives him a 12-second head start. If Cristina runs at a pace of 5 meters per second and Nicky runs at a pace of only 3 meters per second, how many seconds will Nicky have run before Cristina catches up to him?

   1. 15 seconds
   2. 18 seconds
   3. 25 seconds
   4. 30 seconds
   5. 45 seconds