The histogram shows information about how 550 people travel to work. 40+
35
30-
♡
25
Frequency density
20
15
10
5
Distance (miles)
0+
0
5 10 15 20 25 30 35 40 45 50 55 60
a) How many people travel more than 30 miles to work?
b) 205 of the 550 people travel further than Sam. Estimate how far Sam travels.

Out of the 150 students at a summer camp, 72 signed up for canoeing. there were 23 students who signed up for trekking, and 13 of those students also signed up for canoeing. use a two-way table to organize the information and answer the following question: approximately what percentage of students signed up for neither canoeing nor trekking?