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If ab = 5, bc = 10 and cd = 13, then ad = ?
650
65
26
50/13
13/2
Nicole scored t more points than Andrew, who scored d points. Which of the following expresses the average of their scores, in terms of t and d?
d+t/2
2d+t/3
2d+t/2
d-t/2
2t+d/2
A retailer buys d dresses for a total of t dollars. If she sells all but b of the dresses at p dollars per dress, and donates the remaining dresses to charity, what is her total profit, in dollars, on the dresses that she sells?
(d-b)p-t
(d-b)p-dt
(dp-b)p-t
dp-dt
(p-t)d-b
If the average running time of f of the films in a festival is m minutes per film, and the average running time of the other 2 films in the festival is a minutes per film, what is the average running time in minutes for the f + 2 films in the festival?
fm+2a/f+2
m + a
m + a /f2
2fm+a/f+2
(f+2) (m+a)
A total of b books are divided evenly among 12 bookshelves. If 2 of the bookshelves break, and the books are divided evenly among the remaining bookshelves, how many more books, in terms of b, does each of the remaining bookshelves hold?
b/2
b/10
b/60
b/12
b/30
Will post correct answers within 2 days
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