A2L Item 161

  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.
  • warning: Parameter 1 to theme_field() expected to be a reference, value given in /home/ibeatty/clickercentral.net/includes/theme.inc on line 171.

Ann is running with a constant speed of 3 m/s on a straight track. Deb is also running with constant speed but is initially 10 m behind Ann. If Deb catches up to Ann after Deb has traveled 55 m, how fast is Deb running?

  1. 3.2 m/s
  2. 3.55 m/s
  3. 3.75 m/s
  4. 4.15 m/s
  5. More than 4.2 m/s
  6. none of the above
  7. cannot be determined