A worker is paid x rupees for painting every 5 metres of a wall and y rupees for painting every ...
A worker is paid x rupees for painting every 5 metres of a wall and y rupees for painting every extra metre. During one week, he painted 5 metres on Monday, 6 metres on Tuesday, 7 metres on Wednesday, 8 metres on Thursday and 9 metres on Friday. What is his average daily earning rupees for the five day week?
Answer/Solution
x + 2y
Steps/Work
Explanation :
On Monday, the payment = Rs x
On Tuesday, the payment = Rs (x + y)
On Wednesday, the payment = Rs (x + 2y)
On Thursday, the payment = Rs (x + 3y)
On Friday, the payment = Rs (x + 4y)
Average daily earning during the five-day week = (5x + 10y)/5
= x + 2y
Answer : A
On Monday, the payment = Rs x
On Tuesday, the payment = Rs (x + y)
On Wednesday, the payment = Rs (x + 2y)
On Thursday, the payment = Rs (x + 3y)
On Friday, the payment = Rs (x + 4y)
Average daily earning during the five-day week = (5x + 10y)/5
= x + 2y
Answer : A