Question 891687
300
.35,.45,.20
.05,.04,.02

.35*300=105
.45*300=135
.20*300= 60

.05*105=5.25        
.04*135=5.40        
.02*60=1.2   
11.85  

5.25+5.40+1.2=11.85
11.85/300=0.0395 
a) 3.95%

.95*105=99.75
.96*300=95.6
.98*300=98.8 
294.15

99.75/294.15=0.339 
b) 3.39%