exam Maths Puzzle Numerical Ability

Sorry, but I have one more question on the substitution method. It is a+b=5000 and 0.08a=0.06b-20 THANKS ALOT

Read Solution (Total 0)

exam Other Question

Find the determinant of matrix B if we know that matrix A det[a, b, c][d, e, f][g,h,i] = 5.

B = [a, b, c][a+2d, b+2e, c+2f][3a+g, 3b+h, 3c+i] is (-1,2) a solution of y= 1/2x-1?