c36=c1+35d c1=26-35*0.7=26-24.5=1.5
c15=c1+14d 14d=1.2-(-10) d=11.2/14=0.8
1)c36=c1+35d
c1=c36-35d=26-24.5=1.5
2)c15=c1+14d
d=(c15-c1)/14=0.8
c36=c1+35d c1=26-35*0.7=26-24.5=1.5
c15=c1+14d 14d=1.2-(-10) d=11.2/14=0.8
1)c36=c1+35d
c1=c36-35d=26-24.5=1.5
2)c15=c1+14d
d=(c15-c1)/14=0.8