Question 989677
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C=number of children; A=number of adults=C+100
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C+A=360
C+C+100=360
2C=260
C=130 ANSWER 1: There were 130 children.
A=C+100=130+100=230 ANSWER 2: There were 230 adults.
.
CHECK:
A+C=360
230+130=360
360=360