Question

Faith mixes 14 liters of 12% acid solution with a 30% acid solution which results in an 18% acid solution.

If x represents the number of liters of 30% acid solution used, which equation can be used to find the number of liters of 30% acid solution in the mixture? &Find the number of liters of 30% solution in the new mixture.

Answer 1

#1
A) 1.68 + 0.3x = 0.18(x + 14)
B) 2.52 + 0.3x = 0.12(x + 14)
C) 4.2 + 0.18x = 0.3(x + 14)
D) 1.68 + 0.18x = 0.3(x + 14)

#2
A) 4.7
B) 21
C) 12
D) 7

Answer 2

14(12) + 30x = (14+x)(18)
=>x=7

Answer 3

and it is A for the 1st part :D

Answer 4

Thank youu!(:

Answer 5

:)))))))))))

Answer 6

i struggle a lot in Algebra so that helped a ton(:

Answer 7

i'm here for you (:
you just have to ask and i will answer ;)