Q8.
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~x~~ ~3~
The figure above represents a square garden that is divided into 9
rectangular regions with indicated dimensions in meters. The shaded regions
are planted with peas, and the unshaded regions are planted with tomatoes.
If the sum of the areas of the regions planted with peas is equal to the sum
of the areas of the regions planted with tomatoes, what is the value of x?
A. 0.5
B. 1
C. 1.5
D. 2
E. 2.5
答案給(c) 可是我卻一直算成(d)耶～
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Q28:
Last Sunday a certain store sold copies of Newspaper A for $1.00 each and
copies of Newspaper B for $1.25 each, and the store sold no other newspapers
that day. If r percent of the store's revenues from newspaper sales was from
Newspaper A and if p percent of the newspapers that the store sold were
copies of newspaper B, which of the following expresses r in terms of p?
A. 100p / (125 - p)
B. 150p / (250 - p)
C. 300p / (375 - p)
D. 400p / (500 - p)
E. 500p / (625 - p)
答案給(d)
這題我完全沒概念XD
懇請高手幫忙～
謝謝
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