Solve the problem using matrices.Jerry has 3 pieces of string. The total length is 110 inches. The sum of the two longer pieces is 90. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?
A. 10, 20, and 80 inches
B. 20, 50, and 60 inches
C. 20, 40, and 50 inches
D. No solution
Answer: C
Mathematics
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