Solve the problem. First use front end rounding. Then find the exact answer.The number of vacationers at the lake was 4850 on Friday. If this was 2424 more than on Thursday, how many people were at the lake on Thursday?
A. Estimate: 3000 vacationers; exact: 2426 vacationers
B. Estimate: 7300 vacationers; exact: 7274 vacationers
C. Estimate: 2500 vacationers; exact: 2430 vacationers
D. Estimate: 7000 vacationers; exact: 7270 vacationers
Answer: A
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Evaluate the improper integral.
A. 
B. 
C. 
D. 
Find the smallest value of N that will make the inequality hold for all n > N.
< 10-2
A. 18 B. 16 C. 15 D. 17
Solve the problem. Express answers as a percent rounded to the nearest tenth. The Garden Shop had a cost of goods sold of $108,000, operating expenses of $40,000, and net sales of $210,000. Find the cost of goods sold percent of net sales and operating expenses percent of net sales.
A. cost of goods sold percent of net sales: 51.4%, operating expenses percent of net sales: 19.0% B. cost of goods sold percent of net sales: 51.4%, operating expenses percent of net sales: 32.4% C. cost of goods sold percent of net sales: 32.4%, operating expenses percent of net sales: 51.4% D. cost of goods sold percent of net sales: 19.0%, operating expenses percent of net sales: 51.4%
Solve the problem.In the weighted voting system 
, the total number of possible coalitions is
A. 32. B. 63. C. 23. D. 31. E. none of these