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spayn [35]
3 years ago
14

Lan is standing 20 feet above sea level. Mary is swimming 10 feet below sea level. How much higher is lan's

Mathematics
1 answer:
Savatey [412]3 years ago
4 0

Answer:

30 feet

Step-by-step explanation:

sea level = 0

up 20 feet

below 10 feet

total 30 feet

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