Johanna graphed the number of calls she made during one day. how many calls were made before 6 p. m.?
cell phone calls
6
number of calls
o na
10 a. m.
11: 59 a. m.
12 p. m.-
1: 59 p. m.
2 p. m. - 4p. m.
3: 59 p. m. 5: 59 p. m.
time of day
6 p. m. -
7: 59 p. m.
8 p. m.-
9: 59 p. m.