At a certain diner, Joe ordered 3 doughnuts and a cup of coffee and was charged $ 2.25. Stella ordered 2 doughnuts and a cup of coffee and was charged $ 1.70. What is the price of 2 doughnuts?	Select the correct option
A) $ 0.55  B) $ 1.00  C) $ 1.10  D) $ 1.30  E) $ 1.80
Joe ordered 3 Dougnuts and Cup of Coffee. Stella ordered 2 Doughnuts and cup of coffee which means Joe ordered 1 doughnut more than stella only. So 1 doughnut must be 2.25 - 1.7= 
<gadget id="calculator">2.25 - 1.7</gadget>
<output>0.55</output>
0.55   Price of 1 Doughnut= 0.55   Price of 2 Doughnut = 0.55*2= 
<gadget id="calculator">0.55*2</gadget>
<output>1.1</output>
1.1   ANSWER:$ 1.10
<result>C</result>
At a certain diner, Joe ordered 3 doughnuts and a cup of coffee and was charged $ 2.25. Stella ordered 2 doughnuts and a cup of coffee and was charged $ 1.70. What is the price of 2 doughnuts?