A worker is paid x rupees for painting every 20 metres of…

A worker is paid x rupees for painting every 20 metres of a wall and y rupees for painting every extra metre. During one week, he painted 20 metres on Monday, 22 metres on Tuesday, 24 metres on Wednesday, 26 metres on Thursday and 28 metres on Friday. What is his average daily earning rupees for the five day week?

This problem repeats another one in the library (at most with different numbers), so it's left out of browsing.

AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #82109