Posted by **Joel** on Sunday, August 14, 2011 at 11:37am.

16 similar writing pads and 24 similar jotter books are stacked in a pile. their total thickness is 14.4cm.Each writing pad is 3x as thick as each jotter book. what is the thickness of the pile of jotter books?

- Maths -
**PsyDAG**, Sunday, August 14, 2011 at 11:45am
Thickness of jotter book = x, of pad = 3x

24x + 16(3x) = 14.4

Solve for x.

- Maths -
**Joel**, Sunday, August 14, 2011 at 12:11pm
Sorry, i need to solve this by a non-algebraic way as we have not learnt algebra yet. Can you show me how? Tks.

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