Solve using a system of linear equations in three variables.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 100 black, 110 white and 80 red wires. How many of each cable were made?

A. 10 cable A; 20 cable B; 20 cable C
B. 20 cable A; 20 cable B; 83 cable C
C. 20 cable A; 93 cable B; 10 cable C
D. 20 cable A; 20 cable B; 10 cable C


Answer: D

Mathematics

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