3.
Mona Lisa portrait:
Length = 30 in
width = 21 in
Magnet:
3.5 cm wide:
First, express cm into in:
1 in = 2.54 cm
3.5 cm = 1.37795 in ( divide by 2.54)
Ratio of widths: Portrait to magnet:
21 in / 1.37795 in = 15.24
Lenght:
30 / x = 15.24
x = 30/15.24
x= 1.9685 inches. or = 5 cm
Answer:
Length of the magnet = 5 cm
