A. P(d): 75\80 d +4200
B. P(d): 75\80 ( 20,000) + 4200
P(d): 1875 + 4200
P(d): 22,950
C. 20,000: 75\80 d +4200
20,000 -4200 = 75\80 d
15,800 = 75\80 d
1,264.000 \75= 75 d \75
16,853.3 = d
Re: Problema
Solución | 29.09.2011