Answer:
B) 50.4 km
Explanation:
2 cm : 21 km
Then multiply by 2.4 on each side:
2 x 2.4 cm : 21 x 2.4 km
4.8 cm : 50.4 km
50.4 km (Answer B)
From this information, we are able to create a proportion, 2cm/21km= 4.8cm/x km (x representing the actual distance). After cross-multiplying and simplifying, you get an answer of 50.4km. Hope this helps!
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