Write a system of equations and use the inverse of the coefficient matrix to solve the system.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. Cable B requires 1 black, 2 white, and 1 red wires. Cable C requires 2 black, 1 white, and 2 red wires. They used 100 black, 110 white and 90 red wires. How many of each cable were made?

Question

A. 10 cable A
103 cable B
20 cable C
B. 10 cable A
30 cable B
93 cable C
C. 10 cable A
30 cable B
20 cable C
D. 20 cable A
93 cable B
10 cable C

Answer 1

Answer: C