How many coins of 0.5 dollars each and 0.7 dollars each together make exactly 4.6 dollars?	Choose the correct answer.
A) 1,6  B) 2,7  C) 3,5  D) 4,3  E) 5,3
Straightaway use answer options ( Ignoring the decimal point ) -   (A)  1,6   1*5 + 6*7= 
<gadget id="calculator">1*5 + 6*7</gadget>
<output>47</output>
&gt; 47 ( Incorrect )   (B)  2,7   2*5 + 7*7= 
<gadget id="calculator">2*5 + 7*7</gadget>
<output>59</output>
&gt; 59 ( Incorrect )   (C)  3,5   3*5 + 5*7= 
<gadget id="calculator">3*5 + 5*7</gadget>
<output>50</output>
&gt; 50 ( Incorrect )   (D)  4,3   4*5 + 3*7= 
<gadget id="calculator">4*5 + 3*7</gadget>
<output>41</output>
&gt; 41 ( Incorrect )   (5,3)  5,3   5*5 + 3*7= 
<gadget id="calculator">5*5 + 3*7</gadget>
<output>46</output>
&gt; 46 ( Correct )   Hence answer will be (5,3)
<result>E</result>
How many coins of 0.5 dollars each and 0.7 dollars each together make exactly 4.6 dollars?