Two solutions of acid were mixed to obtain 10 liters of a new solution. before they were mixed, the first solution contained 0.8 liters of acid while the second contained 0.6 liters of acid. if the percentage of acid in the first solution was twice that in the second, what was the volume of the first solution?
a. 3 litersb. 3.2 litersc. 3.6 litersd. 4 literse. 4.2 liters

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.