Estimate a 15% tip on a lunch bill of $78.42 by first rounding the bill amount to the nearest ten dollars.
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Answer:
Step-by-step explanation:
A sequence that has a common difference is an <em>arithmetic sequence</em>:
where aₙ is the nth term, n is the index, and d is the common difference.
In your question:
- n = 37
- a₁ = -39
- d = 8
Plug those into the formula:
Then solve: