Answer:
3rd one
Step-by-step explanation:
7 * 0.5 + 3 * 0.8 = 3.5 + 2.4 = 5.9
<span>5.9/10 X 100 = 59%
</span><span>59% concentration of new mixture</span>
Answer:
2614.33333333
Step-by-step explanation:
(120x)^1/2 see attached photo for steps
One half of something plus another half of something is equal to the thing
1/2x +1/2x = x
The reduced answer would be ?/10