Fiecare dintre cei 26 de baieti si 14 fete care au participat la excursia de la Bran au adunat câte 5 pietricele pentru acvariul
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Answer: Amber use 30 feet of basic tiles and 6 feet of decorative tiles.
Step-by-step explanation:
Let x be the foot of basic tiles and y be the foot of decorative tiles.
Now, according to the question, we have the following equations
Put y=36-x in (2), we get
Hence, Amber use 30 feet of basic tiles and 6 feet of decorative tiles.