Mrs. Avery randomly draws a marble from a jar and creaes a bar graph to display her selections. She then
nakes predictions about the marbles in the jar.
MARBLES IN A JAR
14
NUMBER OF MARBLES
2
0
RED
BLUE
YELLOW
GREEN
COLOR
#1: If there are 120 marbles in the jar, then 24 are blue.
#2: There are twice as many red marbles in the jar as
blue marbles in the jar.
#3: If Mrs. Avery draws 60 more marbles, about 10 will
be green.
Ovan vering the Middla,