perplexus.info :: Just Math : Tea-time cakes

Tea-time cakes (Posted on 2017-09-01)

Whenever Mother goes shopping she brings home half a dozen boxes of fancy cakes, invariably dividing her custom between B's Tea Rooms, S's Bakery
and P's Stores whose boxes contain 3, 4, and 5 cakes respectively.

During last month she made seven such expeditions and came home with a different number of cakes each time, 80 in all coming from P's Stores.

How many were provided by S's Bakery?

No Solution Yet Submitted by Ady TZIDON

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Subject	Author	Date
of course there's the computer way	Charlie	2017-09-01 13:53:37
With one assumption …	Larry	2017-09-01 12:13:48

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