In Exercise, draw a Venn diagram to obtain the answers.
Racing Fleet Foot Racing interviewed 150 longdistance runners to determine the type of races in which they participated. The following information was determined.
102 participated in a marathon.
93 participated in a triathlon.
55 participated in both a marathon and a triathlon.
How many
a) participated in only a marathon?
b) participated in only a triathlon?
c) participated in either a marathon or a triathlon?
d)had not participated in either a marathon or a triathlon?
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