A group of students was interviewed for that if it was asked whether or not they speak French and / or English. Among those who speak French, 10 speak English well, while 40 of them do not speak English. If 75% of students do not speak French, how many students were surveyed? Choose the correct option: A) 210 B) 225 C) 200 D) 250 E) 300
Number of students who speak French are 40 + 10= 
<gadget id="calculator">40 + 10</gadget>
<output>50</output>
50   Of total students, the percentage of students who do not speak French was 75% --&gt; percentage of who do is 25%   50-------25%   x ------- 100%   x= 50*100/25= 
<gadget id="calculator">50*100/25</gadget>
<output>200</output>
200= number of all students   Answer is 200
<result>C</result>
A group of students was interviewed for that if it was asked whether or not they speak French and / or English. Among those who speak French, 10 speak English well, while 40 of them do not speak English. If 75% of students do not speak French, how many students were surveyed?