Question

Buying one movie ticket online costs 16.50, two tickets cost 30.50

Answer 1

No it doesn’t because 16+16=32, +50 cents = 32.50

Answer 2

Recursive Formula:
`a{n}`=an-1+14; a1=16.50

Explicit Formula: an=2.5+14n

Explanation:

The common difference is 14, as you would add 14 to 16.50 and get 30.50 for two tickets. However; the tickets are not the same amount of money each, since 16.50 is not a multiple of 14, (neither are 30.50, 44.50, and 58.50.)

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