they were 180 people in a meeting they were n men , n women. the rest are children . how many children were at the meeting
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total number of children is 180-2n
Step-by-step explanation:
Total number of people = 180
total number of men = n
total number of women = n
total number of man + total number of women + total number of child = 180
putting the value of no. of men and women:-
=>n+n+no.of child = 180
=>2n+no.of child = 180
=>no. of child = 180-2n
Hence, total number of child is 180-2n
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