exam Maths Puzzle Numerical Ability

P=21+2w
solve for w

Read Solution (Total 0)

exam Other Question

Hi, I'm having trouble with a couple linear algebra questions. I understand Gauss-Jordan elimination very well, but these questions ask you to work the other way (you are given se how many grams of sugar must be added to 60 grams of a solution that is 32% sugar to obtain a solution that is 50% sugar