ABC Bookstore sells one customer 12 used books and 4 new books for $136. Another customer buys 14 used books and 2 new books for $124. How much
is one used book (u), and one new book (n)?
A. u = $7, n = $13
B. u= $14, n = $2
C. u = $12, n = $4
D. t = $13, n = $7

2/3x + 7 = 29

step-by-step explanation:

two thirds = 2/3

plus a number = x

at least 29 = 29

there for you should get 2/3x + 7 = 29

c) the median for town a 30" is greater than the median for town b 25"

step-by-step explanation:

town a, median = q2 = 30

town b, median - q2 = 25

so the median for town a 30" is greater than the median for town b 25"