Jimmy had three times add many comic books as Charlie. Charlie had 2/3 as many add Bob. Bob had 72 books. how many does Jim have

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25-04-2016
Mathematics

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Jimmy had three times add many comic books as Charlie. Charlie had 2/3 as many add Bob. Bob had 72 books. how many does Jim have

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nathan127 nathan127 · Answer 1 · 2016-04-25T08:48:13+02:00

nathan127 nathan127

25-04-2016

Let J = Jimmy and C = Charlie and B = Bob

J = 3C
C = B(2/3)
B = 72

Solving upwards...
C = 72(2/3)
C = 48
J = 3(48)
J = 144

Jim has 144 comic books.

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