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Digiron [165]
3 years ago
13

A scientist wants to estimate the number of roads living near a lake.

Mathematics
1 answer:
QveST [7]3 years ago
7 0
90 + 50 = 140
140 - 7 = 133
130 - 140
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Step-by-step explanation:

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iogann1982 [59]

Answer:

12

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