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 nonalgebraic way as we have not learnt algebra yet. Can you show me how? Tks.
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