KöMaL 2006 C836
In a Fun Shop selling party novelties, a packet of streamers costs percent more than a packet of confetti. In other words, a packet of confetti is percent cheaper than a packet of streamers. The difference of and is 90. How many packets of streamers can one buy for the price of 10 packets of confetti?
Official text KöMaL. Quoted with source.
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