The total weight of three tables is 16.9 pounds. The first table is twice as heavy as the second table and the weight of the thi
rd table is 1/3 the weight of the second table. What is the weight of table one?
1 answer:
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Answer:
108
Step-by-step explanation:
The n th term of an arithmetic sequence is
= a₁ + (n - 1)d
where a₁ is the first term and d the common difference
Here a₁ = 12 and d = 16 - 12 = 4, thus
= 12 + (24 × 4) = 12 + 96 = 108