Define a variable, write an equation to model the problem using the variable, then solve. Show ALL work.
Karen is reading The Great Gatsby in English class. So
far, she has read 30 pages. If she reads 18 pages a day
and there are 192 pages in the book, how many days
will it take her to finish the book?

10 points for correct answers

If the cost to mail a package is an initial $5 and $0.28 for every pound the total cost to mail a package was $11.27, how much did the package weigh?

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place