Each undergo constant decrease but of different amounts.
The one with larger constant decrease will end up with having lesser money remaining.
Such questions will appear in P5 Paper 2.
Calculator usage is allowed.
Rina and Kate have equal amount of money at first.
Each week, Rina spends $50 and Kate spends $55.
After a while, Rina has $177 left and Kate has $122 left.
How much did Kate have at first?
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