A soda machine sells both bottles and cans, and no other items. Bottles cost $1.50 each, while cans cost $0.75 each. If on one day, the soda machine sold 250 total beverages and yielded $315, how many more bottles than cans were sold?
Choose the correct choice from the following options
A) 60  B) 80  C) 90  D) 115  E) 170
b+c=250_______(1)   1.5b+0.75c=315   2b+c=420_______(2)   (2)-(1)   b=170   c=80   b-c=170-80= 
<gadget id="calculator">170-80</gadget>
<output>90</output>
90   ANSWER:90
<result>C</result>
A soda machine sells both bottles and cans, and no other items. Bottles cost $1.50 each, while cans cost $0.75 each. If on one day, the soda machine sold 250 total beverages and yielded $315, how many more bottles than cans were sold?