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a + 3a + 5a = 180

9a =180

a = 20

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โˆ™ 2017-07-31 19:57:42
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Q: What is a plus 3a plus 5a equals 180?
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What is the answer to a plus b plus c equals 180 b equals 3a c equals 5a?

a + b + c = 180 b = 3a c = 5a Substituting the values of b and c into the first equation. a + 3a + 5a = 180 or 9a = 180 so that a = 20 then b = 3a = 3*20 = 60 and c = 5a = 5*20 = 100


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