Line 3:
if 2cm is the same as 15 miles, then 1cm is 7.5 miles.
This implies that 16.27cm are the same as
[tex] 16.27\cdot 7.5 = 122 [/tex] miles
Line 4:
if 1/2cm is the same as 20 miles, then 1cm is 40 miles.
This implies that 11.73cm are the same as
[tex] 11.73\cdot 40 = 469 [/tex] miles
