A salesman sold 20 watches. Each watch was made either of silver or gold and, independently, they had either an analogic or a digital display. How many analogic silver watches did he sell?
(1) He sold 5 digital watches
(2) He sold 3 analogic goldwatches
...
(1) He sold 5 digital watches
(2) He sold 3 analogic goldwatches
...
Statistics : Posted by Bunuel • on 23 May 2024, 01:30 • Replies 0 • Views 19



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