A survey is given to a group of 7th grade and 8th grade students about how they get to school. The results are shown in the two-way table.
Walk Car Bus Totals
7th Grade 16 52 32 100
8th Grade 18 44 38 100
Totals 34 96 70 200
What percentage of 8th grade students come to school by car?
What percentage of 7th grade students walk to school?
Of the students surveyed who came to school by car, what percentage were 8th grade students?
Of the students surveyed who rode the bus, what percentage were 7th grade students?
Percentage of 8th grade students who come to school by car:
(44/100) x 100 = 44%
Percentage of 7th grade students who walk to school:
(16/100) x 100 = 16%
Of the students who came to school by car, percentage who were 8th grade students:
(44/96) x 100 = 45.8%
Of the students who rode the bus, percentage who were 7th grade students:
(32/70) x 100 = 45.7%