The buns

Kate, Zofia, and Peter Liked buns. Even today, their grandmother prepares their favorite meal. Katka eats four bunches, Žofia 3, and Petra eats five buns. Their grandmother said, "My inmate, will you know how many buns I have been made today if those you ate were two-thirds of all?" Help the girls calculate how many buns grandmother makes.

Correct answer:

x =  18

Step-by-step explanation:

4+3+5=32 x  4+3+5=2/3 x  2x=36  x=236=18  x=18

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