a.
b.
m=10, (p1,p2)=(1,3)u(x1,x2)=min{x1,2x2}x1=2x2
Budget constraint
p1x1+p2x2=m
x1+3x2=10
Substituting x1 in the equation
2x2+3x2=105x2=10x2=2
x1=4
optimal bundle (x∗1,x∗2)=(4,2)
marshallian demand
x1=2x2
X1 put in the budget constraint
p1x1+p2x2=mp1(2x2)p2x2=m2p1x2+p2x2=mx2(2p1+p2)=mx∗2=2p1+p2m.................marshallian demand x2
x∗1=2p1+p22m...............marshallian demand x1
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