Long hot dog

In Kostelec above Black Forest, they made a record-long hot dog. When he slowly moved it to the square, one of the spectators decided to measure its length: the size of his footprint was 28 cm; he measured 20 feet in the travel direction and counted 5 feet against the direction. How long was the hot dog?

Correct answer:

X =  350 cm

Step-by-step explanation:

s=28 cm  y = v2 t  x+y=20 xy=5  x+y=20 xy=5  Row2Row1Row2 x+y=20 2y=15  y=215=7.5 x=20y=207.5=12.5  x=225=12.5 y=215=7.5  X=s x=28 12.5=350 cm



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