Answer:
Slope = -3/2 or -1.5
Step-by-step explanation:
The Formula for slope is (The picture linked)
So,
Which is equal to... when simplified
Which is equal to or -1.5 which is the slope
......................
she will need 735 buttons.
11+2+2=15 buttons for each blouse
15x49=735 buttons total
wow!