Answer:
3,500 km
Step-by-step explanation:
Assuming that 1:500000 is meters you would have to convert to kilometers.
7 * 500000 / 1000 = 3500
Y = 12.5x Hope this helps!
20%
Answer: x = 16
24 + 2 + 4x = 90
26 + 4x = 90
4x = 64
x = 16
