陌
=
百
+
阝
:
Mahatma Gandhi (m) meets the pope (阝) in the observatory. In the bathroom (o4) he finds that's where the pope keeps all his money, The floor is covered waist-deep in 100 yuan bills (百) and there are raised paths (陌) so that you can still walk around and use the bathroom.
百
=
一
+
白
:
Mnemonic symbol: a one hundred 元 bill.
Beelzebub (b) enjoys preparing to allure mortals. In the airplane's living room (ai3) he's waving a flute (一) as a magic wand and enchanting one hundred white flags (白) to look like one hundred (百) one hundred 元 bills (百).