A group of students was interviewed for that if it was asked whether or not they speak Spanish and / or English. Among those who speak Spanish, 15 speak English well, while 45 of them do not speak English. If 70% of students do not speak Spanish, how many students were surveyed? Choose the correct choice from the following answers
A) 200
B) 220
C) 230
D) 210
E) 215
Number of students who speak Spanish are 45 + 15= 
<gadget id="calculator">45 + 15</gadget>
<output>60</output>
60   Of total students, the percentage of students who do not speak Spanish was 70% --&gt; percentage of who do is 30%   60-------30%   x ------- 100%   x= 60*100/30= 
<gadget id="calculator">60*100/30</gadget>
<output>200</output>
200= number of all students   200nswer is 200
<result>A</result>
A group of students was interviewed for that if it was asked whether or not they speak Spanish and / or English. Among those who speak Spanish, 15 speak English well, while 45 of them do not speak English. If 70% of students do not speak Spanish, how many students were surveyed?