A photo-mat shop charges $0.6 for the first photo inside a film, and 40% cents less for each additional photo. How many photos can we develop with $36 if each film contains 36 photos? Pick one
A) 2 films and 26 photos  B) 5 films and 6 photos  C) 5 films and 14 photos  D) 6 films and 4 photos  E) 6 films and 28 photos
1st photo = 0.60   Subsequent = 0.60*0.6= 
<gadget id="calculator">0.60*0.6</gadget>
<output>0.36</output>
0.36   Price of 1 full film=0.6+0.36*35= 
<gadget id="calculator">0.6+0.36*35</gadget>
<output>13.2</output>
13.2   Price of 4 full film= 13.2*2= 
<gadget id="calculator">13.2*2</gadget>
<output>26.4</output>
26.4   36-26.4= 
<gadget id="calculator">36-26.4</gadget>
<output>9.6</output>
9.6   9.6=0.6+0.36x   x=25   36---&gt;2 full films and  1+25= 
<gadget id="calculator"> 1+25</gadget>
<output>26</output>
26 photos   2 films and 26 photosnswer: 2 films and 26 photos
<result>A</result>
A photo-mat shop charges $0.6 for the first photo inside a film, and 40% cents less for each additional photo. How many photos can we develop with $36 if each film contains 36 photos?