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Sindrei [870]
2 years ago
8

Select the correct answer.

Mathematics
1 answer:
Vikki [24]2 years ago
3 0

Answer:

the answer is A. 3225

Step-by-step explanation:

S₃₀ = 30/2 [ 2 x 6 + (30 - 1) x 7 ]

15 [ 12 + 29 x 7 ]

15 [ 12 + 203 ]

15 x 215

=3225

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