Barbara, Donna, Cindy, and Nicole ran in a relay race. Their times are listed in the chart below.
Student Barbara Donna Cindy Nicole
Time
(minutes)
3
3
10
4
2
5
x
1
2
10
1. The four girls ran in a relay race as a team. Each girl ran one part of
the race. The team’s total time was
3
11
5
minutes. What was Cindy’s
time?
2. Find the difference between the fastest girl’s time and the slowest
girl’s time.
3. To break the school’s record, the girls’ time had to be faster than
2
12
5
minutes. Did the girls break the record? If so, how much faster were
they? If not, how much slower were they?