jmancool jmancool

12-06-2017
Mathematics

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Building B was built two years before Building C. Building D was built two years before Building B. The product of Building B's age and Building D's age is at least 195. If x represents the age of Building C, which of the following represents this situation?

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amathzing amathzing

12-06-2017

you need to make an equation for each of the buildings age.

C = x
B = x + 2
D = B + 2 which is (x + 2) + 2 so x + 4

Product means to multiple so (B)(D) which is (x + 2)(x+4)

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