Question

By weight, liquid A makes up 8 percent of solution R
and 18 percent of solution S IF 3 grams of solution
R are mixed with 7 grams of solution S then liquid
A accounts for what percent of the weight of the
resulting solution?
A 10%
B. 13%
C. 15%
D. 19%
E. 26%​

Answer 1

Answer:

5 of liquid A in final solution hence C is the correct option

Step-by-step explanation:

let x=% of liquid A in final solution

.08*3+.18*7=10x

x=.15=15%