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?
Thoughts? Step-by-step reasoning:
Total number of shirts Sally sews is 4 + 3 + 2 = 9 shirts. The total number of buttons she needs is 9 x 5 = 45 buttons.
Thus, the answer is 45.