Evaluate the double integral by first identifying it as the volume of a solid. $\iint _ { R } ( 15 - 2 x ) d A , R = \{ ( x , y ) \mid 3 \leq x \leq 7,4 \leq y \leq 5 \}$
A) $120$
B) $- 180$
C) $220$
D) $20$
E) $- 80$

Question

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The Answer of Evaluate the double integral by first identifying it as the volume of a solid. $\iint _ { R } ( 15 - 2 x ) d A , R = \{ ( x , y ) \mid 3 \leq x \leq 7,4 \leq y \leq 5 \}$
A) $120$
B) $- 180$
C) $220$
D) $20$
E) $- 80$

Evaluate the Double Integral by First Identifying It as the Volume