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The value of a varies directly with b. If a = 3, then b = 21. What is the value of a when b = 105?
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The value of a varies directly with b. If a = 3, then b = 21. What is the value of a when b = 105?

User Terrick
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1 Answer

1 vote
A should be 15

21/3 = 7
105/7 = 15
User Gabriel Staples
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6.3k points
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