Ginny was pushing her owner to adopt more than 20 cats.
The new girl was snobby, and only associated herself with the 'Higher-Class' of kids in school.
The word that best described the author's tone in this excerpt is INDIGNANT. To be be indignant means to show anger or annoyance at what is perceived as unfair treatment. In the passage above, the writer clearly express his feeling of anger and disappointment at the shabby manner that his friend, Stephen, which he loved and trusted so much treated him.
The first number is 40. The second, third, and fourth number each add 7, so we have 3 steps to get to the fourth step, so we must add 7 *3 = 21 to 40, which is 61.