a school has 7 maths 6 physics and 5 chemistry teachers each teacher can teach 3 subjects max what is he minimum number of teachers required	Pick:  A) 3  B) 5  C) 6  D) 7  E) 8
Total subjects = 7+6+5= 
<gadget id="calculator">7+6+5</gadget>
<output>18</output>
18   Max subjects by 1 teacher= 3   So, min of teachers required = 18/3= 
<gadget id="calculator">18/3</gadget>
<output>6</output>
6   ANSWER:6
<result>C</result>
a school has 7 maths 6 physics and 5 chemistry teachers each teacher can teach 3 subjects max what is he minimum number of teachers required