SOLUTION: Celine has 0.8 as much as money as David who has 0.5 times the amount of Monica. If Monica has $20, how much money do they have in total?

Algebra ->  Proportions -> SOLUTION: Celine has 0.8 as much as money as David who has 0.5 times the amount of Monica. If Monica has $20, how much money do they have in total?      Log On


   

Question 1102718: Celine has 0.8 as much as money as David who has 0.5 times the amount of Monica. If Monica has $20, how much money do they have in total?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
C=0.8D
.
.
D=0.5M
.
.
M=20
So,
D=0.5%2820%29
and
C=0.8%280.5%29%2820%29
So,
C%2BD%2BM=0.8%280.5%29%2820%29%2B0.5%2820%29%2B20
C%2BD%2BM=20%280.8%280.5%29%2B0.5%2B1%29
Work that out for the solution