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I don't understand, someone please help me I am giving 100 points

I don't understand, someone please help me I am giving 100 points-example-1
User Pulkit Jha
by
4.7k points

1 Answer

4 votes

Answer:

a=40

b=70

c=20

d=30

Explanation:

User George Oblapenko
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5.1k points