Answer:
D is the answer
Step-by-step explanation:
<u><em>8</em></u>, <em><u>6</u></em>, and <em><u>4</u></em>.
Eight plus six equals: 14
Then add four, and your get eighteen
<em>~Hope this helped :)</em>
YESSS USE THATTTTTTTTTTTT
In five quarts, we have 2 quarts of acid and 3 quarts of water
total = (2 + 3) = 5 quarts
concentration = 2 / 5
We want a 30% concentration
total volume = 2 + x
.30 = 2 / (2+x)
.6 + .30 x = 2
.30x = 1.4
x = 4.66666 gallons of water
(or we need to add 1.666666 gallons of water)
Double Check:
acid concentration = 2 / (2 + 4.666666)
acid concentration = .30
