158 B
158 B
a = 2 min b = 8 min
a) \frac{2}{8}\ \frac{0.25 min}{15 sec}
= 8 min 15 sek
b) 8 min * 0.8 + 2 min = 8,4 minuten
(a+b)/ 8,25 = 1,21111 (a+b)/ 8,4 = 1,19
a = 2 min b = 8 min
a) \frac{2}{8}\ \frac{0.25 min}{15 sec}
= 8 min 15 sek
b) 8 min * 0.8 + 2 min = 8,4 minuten
(a+b)/ 8,25 = 1,21111 (a+b)/ 8,4 = 1,19