Irin, Ingrid and Nell bake chocolate chip cookies in the ratio of 9.18: 5.17: 2.05. If altogether they baked a batch of 148 cookies, what percent of the cookies did Irin bake? Choose the correct choice from the following answers
A) 0.125%  B) 1.25%  C) 55.4%  D) 125%  E) 0.152%
9.18x+5.17x+2.05x = 16.4x 9.18 +5.17 +2.05= 
<gadget id="calculator">9.18 +5.17 +2.05</gadget>
<output>16.4</output>
16.4x= 148 cookies   x= 148/16.4 = 9 (approx)   So, Irin baked 9*9.18 cookies or 82 cookies (approx)   % share = 82/148 = 55.4 approx   Hence, answer is 55.4%.
<result>C</result>
Irin, Ingrid and Nell bake chocolate chip cookies in the ratio of 9.18: 5.17: 2.05. If altogether they baked a batch of 148 cookies, what percent of the cookies did Irin bake?