human
There are 250 books inside a library. On Tuesday, 120 books are taken out to be read by children. On Wednesday, 35 books are returned. On Thursday, another 15 books are withdrawn from the library. How many books are now in the library?
assistant
How many books were taken out on Tuesday? ** On Tuesday, 120 books were taken out 250 - 120 = <<250-120=130>>130 books
How many books were returned on Wednesday? ** On Wednesday, 35 books were returned 130 + 35 = <<130+35=165>>165 books
How many books were borrowed on Thursday? ** On Thursday, 15 books were borrowed 165 - 15 = 150 books
#### 150