Nicole is running for school president. her best friend designed her campaign poster, which measured 3 feet by 2 feet. Nicole liked the poster so much, she reproduced the artwork on rectangular button that measured 2 inches by 1 1/3 inches. what is the scale factor?
1 feet = 12 inches
3 feet = 36 inches
Larger of buttons dimension is 2 inches that means that scale factor is:
36/2 = 18
To check this for second pair of dimensions we check:
24/1,33333 = 18