Find the 12th term of the arithmetic sequence whose common difference is d=6 and whose first term is a, = 2.
1 answer:
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Janet can fill a certain order in 5 hours, therefore she performs 1/5 of the order within 1 hour.
Tom needs 8 hours to do the same job, therefore he performs 1/8 of the order within 1 hour.
Working together, they make 1/5 + 1/8 orders within 1 hour.
Let <em>t</em> mean the number of hours they need. Then we have equation:
The answer is 307.72
