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18 votes
18 votes
Help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

Help meeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-example-1
User Erik Van Berkum
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2.6k points

1 Answer

17 votes
17 votes

Answer:

600

Explanation:


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

User TruLa
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