15 binders can bind 1400 books in 21 days. How many binders will be required to bind 1600 books in 20 days?
Pick: A) 14 B) 18 C) 24 D) 28 E) None of these
18inders 18ooks Days   15 1400 21   x 1600 20   x/15 = (1600/1400) * (21/20) =&gt; x = 18   ANSWER:18
<result>B</result>
15 binders can bind 1400 books in 21 days. How many binders will be required to bind 1600 books in 20 days?