There were five teams entered in a competition.
Each team consisted of either only boys or only girls. The number of team members was 9, 15, 17, 19 and 21.
After one team of girls had been knocked out of the competition, the number of girls still competing was three times the number of boys.
How many girls were in the team that was eliminated?
Select one option, then click Submit.
9
15
17
19
21
Select an option, then submit.
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