[計量] pp2-ps-186
186.
The table shows the number of residents in a certain development who are willin
swimming pool, provided the required contribution does not exceed the amount in
The following three amounts are being considered as the required contribution.
more than half of the residents contribute to build the pool?
amount indicated number of residents
by resident
$300 10
$100 20
$50 30
$10 20
I. $33
II. $48
III. $55
(A) None
(B) I only
(C) II only
(D) I and II only
(E) I, II, and III
ans:D
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