Unit 3 | lesson 9
lesson assessment: multiplication and division applications, part 1 quiz
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4.
solve the word problem.
the formula d = rt gives the distance traveled in time t at rate r. a bicyclist rides for 1.5 hours and travels 25 miles.
what was her average speed?
a.
16.7 miles per hour
b.
23.5 miles per hour
c.
26.5 miles per hour
d.
37.5 miles per hour

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.