SOLUTION: -70=D/10 =D P/12.4=3/2 P= 23=X-15 =X 2X=62 =X

Algebra ->  Expressions -> SOLUTION: -70=D/10 =D P/12.4=3/2 P= 23=X-15 =X 2X=62 =X      Log On


   

Question 88968: -70=D/10 =D
P/12.4=3/2 P=
23=X-15 =X
2X=62 =X
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
-70=D/10 CROSS MULTIPLY.
D=10*70
D=700
---------------------------
P/12.4=3/2 CROSS MULTIPLY
2P=3*12.4
2P=37.2 CROSS MULTIPLY.
P=37.2/2
P=18.6 ANSWER.
PROOF
18.6/12.4=3/2
37.2=37.2