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Mathematics, 08.10.2021 21:10 crystalhoff9419

9. If a train travels 270 mi. in 9 hr., what is its average speed? 20 mph
O
30 mph
d
40 mph
50 mph

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9. If a train travels 270 mi. in 9 hr., what is its average speed? 20 mph
O
30 mph
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