27 Jul 9.CHRISTINE IS CURRENTLY TAKING COLLEGE ASTRONOMY
9.Christine is currently taking college astronomy. The instructor often gives quizzes. On the past seven quizzes, Christine got the following scores: 53, 12, 41, 29, 18, 42, 57. Find the standard deviation.10.Solve the problem. Round to the nearest cent or tenth of a percent. An item sells for $524.00 and is reduced to sell for $440.16. Find the markdown amount and the rate of markdown.11.Megan Hughes deposits $2300 in an account that pays simple interest. When she withdraws her money 8 months later, she receives $2484.00. What rate of interest did the account pay? Round to the nearest whole percent13. Central Airlines offers a trade discount series of 30/35/10 for frequent flyers. If a round-trip airline ticket is $683, what is the net price? Use the net decimal equivalent to find the net price.? Round to the nearest cent15. 109,98016. Solve the problem. Round to the nearest cent or tenth of a percent. Cost = $48.19; selling price = $58.79. Find the markup and the rate of markup based on the selling price18. Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent. Markup = $16.15; Selling price = $95.00. Find the cost.
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