mathscience9301
02.09.2020 •
Mathematics
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A total of 400 students were surveyed at a college to see if they live in on-campus dorms or if they live off-campus. The table shows the results of
the survey
Dorms Off-Campus Total
Freshman 88 12 100
Sophomore 62 38 100
Junior 43
57 100
Senior 25 75 100
Total 218 182 400
What percentage of the students surveyed live off-campus?
O A 18.25
OB. 41.29
OC 45.55
OD 83.55
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Question #24
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Ответ:
Step-by-step explanation:
Given
----------------------Dorms ---- Off-Campus ---- Total
Freshman -------- 88 ------ ---------12 ------- 100
Sophomore ------62 ---------------38 --------- 100
Junior --------------43 ----------------- 57 ---------- 100
Senior -------------25 -----------------75 ------------ 100
Total ---------------218 -------------182 --------------400
Required
Determine the percentage of off-campus students
From the above table, we have that:
The percentage is then calculated as follows;
Hence, option C answers the question
Ответ:
solve for x
Why is this how you figure it out? well... you have the price of the CD cover and the total is the price of the CD cover with tax.
Price of the CD cover would be: x * 1 = price of cd cover
Put that tax on there: x * 1.085 = price of cd cover with tax
why .085? move that decimal over two places to the left from the 8.5%