Algebraic equations
ALGEBRAIC EQUATIONS · IMAT Doutor1 / 1
In what ratio must a 20% salt solution be mixed with a 50% solution to obtain a 30% solution?
A
1 : 2
B
3 : 1
C
2 : 1
D
1 : 3
E
1 : 1
Keyboard: A–E to choose, Shift + letter to cross out, Enter to confirm.