This weekend, Martha has time to read 40 pages of economics and 30 pages of sociology.Alternatively, she could read 30 pages of economics and 50 pages of sociology.Which of these equations describes all combinations of pages of economics, E, and sociology, S, that she could read over the weekend?
A) E + S = 70.
B) E/2 + S = 50.
C) 2E + S = 110.
D) E + S = 80.
E) All of the above.
Correct Answer:
Verified
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