Eddie finished reading a story book last week. He read an average of $19$ pages per day in the first six days of the week and $26$ pages in the last day. How many pages on average did Eddie read per day? 
Overseas Competition->Knowledge Point->Word Problem Modules->Average Problems ->Questions Involving Average->Questions Involving Average (ordinary type)
$(19\times6+26)\div7=140\div7=20$ pages. 