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Points a, b, c, and d lie on a line, in that order. If  ab = 2 units, bc=5 units and  ad=14 units, what is the ratio of ac to bd? Express your answer as a common fraction.

 Jul 27, 2020
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Draw a number line

put a at zero

put b  at 2

put c at 7

put d at 14

 

now you should be able to work out the ratio easily....

 Jul 27, 2020

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