SOLUTION: 27 /45 = A /5 = 9 /B = C/225 = 60 /D find (C - B) / (A x D) A. 13,000 B. 4000 C. 0.4 D -365 E -1365

Algebra ->  Expressions -> SOLUTION: 27 /45 = A /5 = 9 /B = C/225 = 60 /D find (C - B) / (A x D) A. 13,000 B. 4000 C. 0.4 D -365 E -1365      Log On


   

Question 243159: 27 /45 = A /5 = 9 /B = C/225 = 60 /D find (C - B) / (A x D)
A. 13,000
B. 4000
C. 0.4
D -365
E -1365
Answer by checkley77(12844) About Me  (Show Source):
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27 /45 = A /5 = 9 /B = C/225 = 60 /D find (C - B) / (A x D)
27/45=.6
.6=a/5
a=5*.6=3 ans.
.6=9/b
.6b=9
b=9/.6
b=15 ans.
.6=c/225
c=.6*225
c=135 ans.
.6=60/d
.6d=60
d=60/.6
d=100 ans
(135-15)/(3*100)
120/300=.4 ans. C).