Odpowiedź:
a ) [tex]\frac{100}{3} = \frac{520}{x}[/tex]
100 x = 3*520 / : 100
x = 15,6
Odp. 15,6 min = 15 min 35 s
========================
b )
[tex]\frac{100}{3} = \frac{x}{20}[/tex]
3 x = 100*20 = 2 000 / : 3
x = 666,(6)
Odp. 666 butelek.
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Odpowiedź:
a ) [tex]\frac{100}{3} = \frac{520}{x}[/tex]
100 x = 3*520 / : 100
x = 15,6
Odp. 15,6 min = 15 min 35 s
========================
b )
[tex]\frac{100}{3} = \frac{x}{20}[/tex]
3 x = 100*20 = 2 000 / : 3
x = 666,(6)
Odp. 666 butelek.
==================
Szczegółowe wyjaśnienie: