Posted by Kay. on .
Solve and proof for the value of A.
0.3A+(0.2A0.5)+0.2(A+2)=1.3
I have done this question over and over I keep getting answers like 2 or3.25 but when I sub in thoes answers for A It does not work.

algebra 
bobpursley,
A(.3+.2+.2).5+.4=1.3
.7A.1=1.3
.7A=1.4
A= 2