On June 5438+065438+1October 14, 2000, the Ministry of Education issued the Notice on Implementing the "School-to-School Communication Project" in primary and secondary schools, and a city proposed to implement the "School-to-School Communication Project" accordingly. 72.5 million yuan

According to the meaning of the question, from 200 1 to 20 10, the city's annual investment in the "school-to-school connection" project increased by 500 thousand yuan over the previous year. Therefore, a arithmetic progression can be established, representing the annual investment from 200 1, where,

Then, by 20 10, the total investment will be

(ten thousand yuan).

A: From 200 1 to 20 10, the total investment of the "school-to-school communication" project in the city is 72.5 million yuan.