Exam Maths Puzzle Algebra

Solve linear equation
2c - d = -1 (i)
c + 3d = 17 (ii)

Read Solution (Total 0)

Exam Other Question

If my sales were at 100,000 last year and 400,000 this year what was the percentage increase? Bsis of a percentage amount.

Example -:
394,019.13 x 4% = 15,760.76

If I start out with the 15,760.76 what do I need to do to get to the basis which is 394,019.13?