Answer:
4:5 that's last answer i got
Answer:
7*(n+4)
Step-by-step explanation:
Mark has to ride 50 kilometers. He already rode 18.23 and 13.94.
18.23km+13.94km=32.17km
50km-32.17km=17.83km
Mark will have to ride 17.83km more. The correct answer is B.