B=1,P=8. A=?
P= 1+1+a+a=2+2a=8
2+2a=8
2a=6
a=3
2. B=2, P=10
4+ 2a=10
2a = 10-4
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B=1,P=8. A=?
P= 1+1+a+a=2+2a=8
2+2a=8
2a=6
a=3
2. B=2, P=10
4+ 2a=10
2a = 10-4
2a=6
a=3