A worker is paid x rupees for painting every 25 metres of a wall and y rupees for painting every extra metre. During one week, he painted 25 metres on Monday, 50 metres on Tuesday, 25 metres on Wednesday, 45 metres on Thursday and 25 metres on Friday. What is his average daily earning rupees for the five day week?	Select the correct option
A) x + (8/5)y B) (5x + 9y)/5 C) x + 9y D) None of these E) Cannot be determined
Explanation :   On Monday, the payment = Rs x   On Tuesday, the payment = Rs (x + 25y)   On Wednesday, the payment = Rs x   On Thursday, the payment = Rs (x +20y)   On Friday, the payment = Rs x   Average daily earning during the five-day week = (5x + 45y)/5   = x + 9y   Answer : x + 9y
<result>C</result>
A worker is paid x rupees for painting every 25 metres of a wall and y rupees for painting every extra metre. During one week, he painted 25 metres on Monday, 50 metres on Tuesday, 25 metres on Wednesday, 45 metres on Thursday and 25 metres on Friday. What is his average daily earning rupees for the five day week?