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Question 30: (1 point)Suppose the current exchange rate is 4.22 Ghanaian Cedis per $1 US dollar and you have 30 Cedis. After exchanging your money for US Dollars you would have (a)$28.79x(b)$7.109(c)$31.27(d)$25.78(e)$126.60Question 31: (1 point)Kyle has a monthly income of $320 and monthly expenses of $718. What is his monthly cash flow?Question 32: (1 point)
Kirk has worked hard over the summer and has saved up $3,084.45 to live on during the next two semesters of school. If he plans to use up all of his savings while at school, how much money can he spend each month, on average, for things like groceries, entertainment, and miscellaneous items?Assume two semesters equals 8 months total. Also assume he has no other expenses than what he has listed here.Tuition & Books Costs per Semester: $2,100Scholarship for each Semester: $940.3Housing Cost for a two-semester Contract: $1,150The average monthly amount he can afford to spend isQuestion 33: (1 point)Chelsea currently walks to school from her apartment, which is 1.1 miles away from her first class. She typically walks at a speed of 2 miles per hour. She is considering buying a used bicycle from Deseret Industries so she could ride to campus. She figures that if she were riding a bike, she could go about 5 miles per hour. How many minutes could she save in getting to class each morning if she were to ride the bike?
Question 34: (1 point)Karl was suspicious that cars driving down his street were often driving faster than the speed limit. He called the police department and complained. In response they set up a radar speed sign (shown in the image below) and recorded the speeds of vehicles for a day.Here is the report they obtained after observing speeds for a day.Mean Speed28.1 mphMinimum Speed21 mphMaximum Speed42 mphMedian Speed25 mph90th Percentile of Speed32.65 mph Which of the following would be a correct statement to make about the information shown in the above report?(a)The fastest car observed was driving 28.1 mph.x(b)One in every 10 of the vehicles observed (10%) was driving faster than 32.65 mph.
(c)The average speed of 28.1 was under the speed limit, so it seems that, at least on average, cars are going the correct speed.(d)Cars all appear to have been driving very quickly that day as the slowest vehicle speed recorded was still higher than the speed limit.(e)The typical speed of vehicles that day was around 21 mph.