Question

ajutati VA rog frumos urgent dau coroana ​

Answer 1

Răspuns:

7).

6 persoane _ _ _ _ _ _ _ _ 8 ore

x persoane_ _ _ _ _ _ _ _ _ 4 ore

$\frac{6}{x} = \frac{8}{4}$

8x=6•4

8x=24

x=24:8

x=3

8).

40 pagini.............60 secunde(1 minut)

8 pagini..................x secunde

$\frac{40}{8} = \frac{60}{x}$

40x=60•8

40x=408

x=408:40

x=12