After a history test with 20 questions, the teacher asks his students to write down the number of the questions that was the mos
t difficult. He then asks a couple of his students to organize this data and inform the class on the results. Here are their results: then the students calculate the median and find it to be 4. Which of the following sentences best describes their teachers response to this report
2 answers:
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Answer:
138 pairs
Step-by-step explanation:
The number of blue pleated slacks is 5 times the number of gray pleated slacks, so:
(eq1)
The number of gray non-pleated is twice the number of blue non-pleated slacks, so:
(eq2)
The total number of blue slacks is 333, and the total number of gray slacks is 225, so we have that:
(eq3)
(eq4)
If we add (eq1) and (eq2), we have:
(eq5)
Using (eq3) and (eq4) in (eq5), we have:
From (eq1), we have:
From (eq3), we have: