Tom read a book containing 560 pages by reading the same number of pages each day. If he would have finished the book 5 days earlier by reading 16 pages a day more, how many days did Tom spend reading the book?	Choose the correct choice from the following options.
A) 19	B) 18	C) 9.12	D) 20	E) None
Actually u can set up 2 equation   P--stands for the pages   D--stands for the days   1) P*D=560(we want to find the Days, soP=560/D)   2) (P+16)(D-5)=560 =&gt; PD-5P+16D-80=560   as the 1) stated u can put 1) into 2)   =&gt; 560-5P+16D-80=560 =&gt; 16D-5P=80   put the bold one into it =&gt; 16D-5(560/D)=80   the we get the final equation 16D^2-2800=80D (divide 16)   =&gt; D^2-5D-175=0   (D-15)(D+10)=0 so D=9.12days Ans: 9.12
<result>C</result>
Tom read a book containing 560 pages by reading the same number of pages each day. If he would have finished the book 5 days earlier by reading 16 pages a day more, how many days did Tom spend reading the book?