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Today's Problem


Solve one problem each day

Monday, 5 october 2009

The snow plow

Proposed by GabiOffline
(10 comments)7.477 times displayed

Intr-o dimineata incepe sa ninga, cu o frecventa constanta. La ora 6 dimineata, un plug de zapada incepe sa curete o strada. Plugul poate sa dea la o parte un volum fix de zapada pe unitatea de timp; cu alte cuvinte viteza lui este invers proportionala cu marimea zapezii. Daca plugul a acoperit in prima ora de doua ori distanta dintr-a doua ora, la ce ora a inceput sa ninga ?


Tags: snow, plow
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