At the movie theatre, child admission is 6.20

1 answer:

3 0

6.20c+9.60a=1016.60
c+a=136

a=136-c
6.20c+9.60(136-c)=1016.60
6.20c+<span>1305.60- 9.60c=1016.60
</span>-3.40c = 1016.60 - 1305.60
-3.40c=-289
c=289/3.4 = 85

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