Clara's utility function is U(X, Y)= (X + 2)(Y + 1).If Clara's marginal rate of substitution is -4 and she is consuming 10 units of good X, how many units of good Y is she consuming?
A)48
B)14
C)4
D)47
E)9

Name: Clara's utility function is U(X, Y)= (X + 2)(Y + 1).If Clara's marginal rate of substitution is -4 and she is consuming 10 units of good X, how many units of good Y is she consuming? A)48 B)14 C)4 D)47 E)9
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The Answer is D

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