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The ratio of a to b is 6:2. If a + b= 112, what is the value of a?

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A / b = 6 / 2 so 2a = 6b or a = 3b

a + b = 112 so 3b + b = 112 so 4b = 112 and b = 28, a = 84

Posted on May 15, 2014

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