Please give me the correct answer.Master answerer,genius,moderator,ace,or expert please help me.

asked Jun 9, 2022 56.4k views

4 votes

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7 votes

Answer:

-3

Explanation:

u just minus the 1st hour and the second hour: 21-18=3

Alva answered Jun 13, 2022

by Alva

5.2k points

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