Positive integers x and y satisfy the equation 57x+22y=400. What is the least possible value of x+y?
Answer Choices:
A. 10
B. 11
C. 13
D. 14
E. 15
Positive integers x and y satisfy the equation 57x+22y=400. What is the least possible value of x+y?
Answer Choices:
A. 10
B. 11
C. 13
D. 14
E. 15