book Maths Puzzle Numerical Ability

Your cost in manufacturing a set of specialized toy blocks consists of a setup expense of $20 plus $0.20 per block. Let C be the total cost of producing a set of blocks, and let x

Read Solution (Total 0)

book Other Question
Sally has $32,000, she invested part at 9% return and the remainder at 11% return. Her total return was $3200, what is the investment breakdown? How do you set this equation? What is the axis of symmetry of x^2+9x+4?