If the economy is weak, then prices remain constant although unemployment rises. But unemployment rises only if invesment decreases. Fortunately, investment is not decreasing.
Which one of the following must be false:
A. Either the economy is weak or investment is decresing.
B. If unemployment rises, then prices remain constant.
C. The economy is weak only if investment decreases.
D. Either the economy is weak or pries are remaining constant.
E. Either the unemployment is rising or the economy is not weak.
Right answer is A, but I can figure out why.
"Right answer is A, but I can figure out why."-----???
the right answer should be conflict with the stimulus
the reasoning of the stimulus is as the following:
1.weak--->constant and rise(the contrapositive is not-rise or not-constant--->not-weak)
2.rise--->decrease
3.not decrease
Based on 1,2,3 above, the true picture is the not-decreasing investment,not-rising unemployment,not-weak economy and not-known prices
Therefore, the situation of A is impossible. For BC, they are possible because they are independent with their own conditions.D is possible because the prices could be constant. E is likely becuase the economy is not weak.
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