Raymond B. answered 12/17/20
Tutor
5
(2)
Math, microeconomics or criminal justice
-(1/2)(-1+2/5) = -(1/2)(-5/5 + 2/5) = -(1/2)(-3/5) = 3/10
UNLESS
you might have meant
-1/[2(-1+2/5)] = -1(-6/5)= 6/5
My guess is you meant the first, with the answer 3/10