Răspuns:
7).
6 persoane _ _ _ _ _ _ _ _ 8 ore
x persoane_ _ _ _ _ _ _ _ _ 4 ore
[tex] \frac{6}{x} = \frac{8}{4} [/tex]
8x=6•4
8x=24
x=24:8
x=3
8).
40 pagini.............60 secunde(1 minut)
8 pagini..................x secunde
[tex] \frac{40}{8} = \frac{60}{x} [/tex]
40x=60•8
40x=408
x=408:40
x=12
