Answer:
B: 1/5 = 4/x
Step-by-step explanation:
1cm = 5km
4cm = 20km
Sorry i don’t know the answer but i’m new to this app, and was wondering what brainliest is?:)
Answer:
r=4
Step-by-step explanation:
Answer:

Step-by-step explanation:
OK, so basically I'm pretty sure that you add all of them together and put it as a fraction over 3 so basically
then simplify it into 
Do 21 divided by 2 and you’ll get 10.5 so the original price was $10 and 50 cents