
Faith T. answered 01/20/16
Tutor
New to Wyzant
WISE Spanish Tutor
Every 3cm is 50km, so 3 divided 12 is 4 and 50 multiplied by 4 is 200. Therefore, 12cm is equal to 200km.
3 centimeters = 50 kilometers
12 centimeters= x , solve for x.
Cross multiply 12 and 50 and the answer is 600, then divide by 3 and the answer is 200km.
Hope this helps!!!