A worker is paid x rupees for painting every 10 metres of a wall and y rupees for painting every extra metre. During one week, he painted 10 metres on Monday, 13 metres on Tuesday, 12 metres on Wednesday, 11 metres on Thursday and 12 metres on Friday. What is his average daily earning rupees for the five day week?  Choose the correct choice from the following answers
A) x + (8/5)y
B) (5x + 9y)/5
C) 10x + (8/5)y
D) None of these
E) Cannot be determined
Explanation :   On Monday, the payment = Rs x   On Tuesday, the payment = Rs (x + 3y)   On Wednesday, the payment = Rs (x + 2y)   On Thursday, the payment = Rs (x + y)   On Friday, the payment = Rs (x + 2y)   x + (8/5)yverage daily earning during the five-day week = (5x + 8y)/5   = x + (8/5)y   x + (8/5)ynswer : x + (8/5)y
<result>A</result>
A worker is paid x rupees for painting every 10 metres of a wall and y rupees for painting every extra metre. During one week, he painted 10 metres on Monday, 13 metres on Tuesday, 12 metres on Wednesday, 11 metres on Thursday and 12 metres on Friday. What is his average daily earning rupees for the five day week?