Answer:
C
Step-by-step explanation:
The sum to n terms of a geometric sequence is
=
Here a₁ = 4 and r = - 3, thus
=
= = - (729 - 1) = - 728 → C
Joey bought some fruit for $5 and three boxes of cereal. He spent $17 total. What was the price of each box of cereal?
2 answers:
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