human
Sally sews 4 shirts on Monday, 3 shirts on Tuesday, and 2 shirts on Wednesday. Each shirt has 5 buttons. How many buttons does Sally need to sew all the shirts?
assistant
How many shirts does Sally sew? ** Total number of shirts Sally sews is 4 + 3 + 2 = <<4+3+2=9>>9 shirts.
How many buttons does Sally need to sew all the shirts? ** The total number of buttons she needs is 9 x 5 = <<9*5=45>>45 buttons.
#### 45