the table shows the costs of different size jars of peanut butter. Which of the jars have the lowest unit rate?
1 answer:
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Answer:
Sum of Arithmetic Sequence
or
Where:
- a = first term
- l = last term
- d = common difference
- n = number of terms
a = -3
l is unknown
d = 1 - -3 = 4
n = 40
Use the second equation because l in unknown.