HJ is twice JK. J is between H and K. If HJ= 4x and HK=78, find Jk.

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10-09-2017
Mathematics

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HJ is twice JK. J is between H and K. If HJ= 4x and HK=78, find Jk.

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meerkat18 meerkat18 · Answer 1 · 2017-09-20T16:07:41+02:00

meerkat18 meerkat18

20-09-2017

You'll find it easier to understand if you illustrate the problem as what is shown in the attached picture. From the illustration and the problem description, two equations can be formulated:

HJ = 2JK
HJ + JK = HK

2JK + JK = 78
3JK = 78
JK = 78/3
JK = 26

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