exam
Maths Puzzle
Numerical Ability
How many liters each of a 2% salt solution and an 10% salt solution must be combined to produce 30 liters of a 4% salt solution?
Read Solution (Total 0)
exam Other Question
Solve. -3 (10x-3) + 10 (3x-3) = x-7
number 8 on page 438 of my book.
x-2y<-6
5x-3y<-9