exam
Maths Puzzle
Numerical Ability
If you have a 5% solution and a 50 % solution how much of each solution do you need to make 20ml of 30% solution?
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exam Other Question
problem set 5.1 #13 page 396
(2/3)^t =9/4
is this how you would do it or am I off?!
2-3^2/ 3-2^
not sure if i'm even on the right track please help
Given X^2+XY+AY^2=B and A=1, B=7, find the x intercepts.