Helppppppppppppppppppppppppp me

Daliaessam asked Mar 20, 2023

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36 votes

Daliaessam asked Mar 20, 2023

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18 votes

Answer:

600

Explanation:

$R(1)=400 \\ \\ R(2)=1000 \\ \\ R(2)-R(1)=600$

Ryan Joy answered Mar 25, 2023

2.8k points

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