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If a varies directly as b, and a = 28 when b = 7, find b when a = 5.
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If a varies directly as b, and a = 28 when b = 7, find b when a = 5.

User Erich Douglass
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1 Answer

3 votes
a = 28
b = 7

a = 28 * (5/28) = 5
b = 7 * (5/28) = 5/4
User NIMISHAN
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