A zoo has an average of 510 visitors on Sundays and 480 on Saturday, 210 on other days and Wednesday is holiday. The average number of visitors in a month of 30 days starting with Saturday is
Choose the correct answer
A) 252  B) 268  C) 277  D) 295  E) 310
Number of saturdays and sundays in that month is 5 and number of wednesdays in that month is 4.   Total number of visitors=(510x5)+(480x5)+((20-4)x210)=8310   Average visitor per day= 8310/30= 
<gadget id="calculator">8310/30</gadget>
<output>277</output>
277   Answer: 277
<result>C</result>
A zoo has an average of 510 visitors on Sundays and 480 on Saturday, 210 on other days and Wednesday is holiday. The average number of visitors in a month of 30 days starting with Saturday is