Cracking The SAT Premium

18 .Two groups of subjects are combined in a psychological research experiment. The mode
score for group A is 7 and the mode score for group B is 6. Which of the following
conclusions can be made?
A) The mode for the whole group is 6.
B) The mode for the whole group is between 6 and 7.
C) The mode for the whole group is 7.
D) The mode cannot be determined from the given information.

19 .The map below shows the layout of streets in a city and the location of several places.
Each horizontal or vertical line between two adjacent streets represents a city block, and
each city block represents 0.6 miles.

Josh    needs   to  drive   from    Kelly’s Kitchen to  Gary’s  Grocery.    If  Josh    drives  the shortest

distance    possible    on  the roads   shown   above   at  a   constant    speed   of  30  miles   per hour,   how

long    does    it  take    him to  make    the trip    from    Kelly’s Kitchen to  Gary’s  Grocery?

A) 6    minutes

B) 10   minutes

C) 12   minutes

D) 20   minutes

20.

2 s −    t  =   10

5 s =   t   +   12  –   s

Which   of  the following   is  a   true    statement   about   the system  of  equations   above?

A) There    are infinitely  many    solutions   to  the system  of  equations.

B) When the system  is  solved  for s,  the result  is  5.

C) When the system  is  solved  for t,  the result  is  6.

D) There    are no  solutions   to  the system  of  equations.

21 .The student council at Shermer High School wants to use student opinion to decide on one
of three possible homecoming themes for the year. President Peterson thinks that the best