Use the Case Below to Answer the Following Question(s)

question 80

Multiple Choice

Use the case below to answer the following question(s) .
S&N Manufacturing makes four different steel sheets,A,B,C,and D,with different percentages of iron.Each sheet must flow through five departments,forming,rolling,sintering,painting,and quality check.The table below shows the relevant data.Production rates are shown in units/hour.(Sheet A uses imported steel and does not require rolling.) S&N wants to determine the number of steel sheets to produce in order to maximize monthly profit.
Let A,B,C,and D denote the number of units of model A,B,C,and D to be produced,respectively.
-Which of the following is the inequality/equality that describes the time constraint of the rolling department?

• A)B/15 + C/10 + D/10 ≥ 330
• B)B/30 + C/20 + D/20 ≤ 330
• C)B/45 + C/30 + D/30 = 330
• D)B/60 + C/40 + D/40 = 330

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