For the following system of equations in echelon form, tell how many solutions there are in nonnegative integers. x+2y +z = 72 5y +2z = 20 ..... Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. There is at least one solution, Oz). (Use integers or fractions for any numbers in the expression.) O B. There is no solution.

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Q: money

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