The average of temperatures at noontime from Monday to Friday is 40; the lowest one is 30, what is the possible maximum range of the temperatures?
Pick.
A) 20	B) 25	C) 50	D) 45	E) 75
Average=40, Sum of temperatures=40*5= 
<gadget id="calculator">40*5</gadget>
<output>200</output>
200   As the min temperature is 30, max would be   200-4*30= 
<gadget id="calculator">  200-4*30</gadget>
<output>80</output>
80 --&gt; The range=80(max)-30(min)=50   Answer: 50
<result>C</result>
The average of temperatures at noontime from Monday to Friday is 40; the lowest one is 30, what is the possible maximum range of the temperatures?