Question 63778
C+A+S=900,000
A=3C/4
S=.5C
C+3C/4+.5C=900,000
C+.75C+.5C=900,000
2.25C=900,000
C=900,000/2.25
C=400,000 SOLUTION FOR CARL
S=.5*400,000
S=200,000 SOLUTION FOR STAN
A=.75*400,000
A=300,000 SOLUTION FOR AMY
PROOF
400,000+200,000+300,000=900,000
900,000=900,000