math
Using the inverse of a Matrix: Let ‘a’ be adults and ‘c’ be children a + b = 1000 16 a + 8b = 12,800 1 1 1000 -16 R1 (R2) 1 1 1000 R2 / 8 16 8 12800 0 -8 -3200 1 1 1000 -1 R2 + R1 1 0 600 0 1 400 0 1 400 Therefore, there were 600 adults and 400 children on ...
Pages: 1
For Further Reading
