[計量] GWD6-25,28
Q25:
If the number 52,1n9, where n represents the tens digit, is a multiple of 3,
then the value of n could be which of the following?
A. 6
B. 5
C. 3
D. 1
E. 0
Answer: d
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 A, 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)
Answer: d
請問一下這兩題要怎麼去解 去大陸的網站看就只有一個不懂而已
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