Question: 1.Consider the sum 3 + 7 + 5 + 11 + 15 + a.Determine the general term of this progressio b.Determine the sum of the

1.Consider the sum 3 + 7 + 5 + 11 + 15 +

a.Determine the general term of this progressio

b.Determine the sum of the first 20 terms

2.A person takes a loan for $975.Each monthly payment will be less than the previous by $5.

If the amount paid in the first payment is $100. How long will it take to pay the full amount

of the loan?

3.A company offers specialized banquets to groups of people at $10 per person plus a $150

fee. Find the total cost set by the company for x people.

4.For a watchmaker, the cost of labor and materials per watch is $15 and fixed costs are

$2,000 per day.If each watch is sold for $ 20, how many watches should he manufacture and sell each day to ensure that the business stays in the point of equilibrium?

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