Clara's utility function is U(x, Y)= (x + 2)(Y + 1).If her marginal rate of substitution is -3 and she is consuming 12 units of good x, how many units of good Y must she be consuming?
A)15
B)46
C)24
D)41
E)7

Question

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The Answer of Clara's utility function is U(x, Y)= (x + 2)(Y + 1).If her marginal rate of substitution is -3 and she is consuming 12 units of good x, how many units of good Y must she be consuming?
A)15
B)46
C)24
D)41
E)7

Clara's Utility Function Is U(x, Y)= (X + 2)(Y