19 MAFS.912. S-ID.2.5
Serena asked students at her school who was planning to work over the summer. Her
results are recorded in the frequency table below.
Working Net Working
8th Grade
10
39
Sth Grade
25
31
10th Grade
56
12
Which statement is true?
A. The percent of 10th graders working is about 6 times the percent of 8th graders working.
B. The percent of 10th graders working is about 4 times the percent of sth graders working.
C. The percent of 10th graders not working is about 4 times the percent of 8th graders not
working
D. The percent of 8th graders not working is about 5.6 times the percent of 10th graders not
working