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pantera1 [17]
3 years ago
7

4. Duane and Roberto joined a rock-a-thon

Mathematics
2 answers:
KonstantinChe [14]3 years ago
4 0

Answer:

Roberto rocked 3 hours longer than Duane.

-BARSIC- [3]3 years ago
4 0

Answer:

roberto rocked for 3 more hours

Step-by-step explanation:

13-10=3

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