A school fair ticket costs $8 per adult and $1 per child. On a certain day, the total number of adults (a) and children (c) who
2 answers:
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-1 - (-7) = 6
5 - (-1) = 6
11 - 5 = 6
The common difference is 6.
If you add 6 to a term, you get the next term.
5 - (-1) = 6
11 - 5 = 6
The common difference is 6.
If you add 6 to a term, you get the next term.