IDNLearn.com is the perfect place to get answers, share knowledge, and learn new things. Ask anything and get well-informed, reliable answers from our knowledgeable community members.
Answer:
Step-by-step explanation:
3.5km : 1400m
1km = 1000m
3.5 × 1000 = 3500m
3500 : 4000
35 : 40
7 : 8