Review
13,15,17
2
11
3
y = 4n
4
36
6
c = 25 s
7
t= 35 n
8
420
9
y = 5x
y = 8x
11
5
(1,4)(2,8)(3,12)(4,16)
y = 4x
14
11,71,137
15
y = 8 x
19 and 20
y = x + 13
29
21
c = 12n
84
22, 23 and 24
y = 6.75 x
y = x + 6
y = 3x
25 and 26
y = 52 x
364
28
12 more phone calls
33 and 34
y = 7x
91
35 and 36
p = 14 d
(1,14) (2, 28) ( 3, 42)
41 and 44
y = 36 x
s= 3
30, 31 and 32
y = 8x
y = x + 11
y = x - 9
16, 17 , 18
y = x + 5
y = 4x
y = 9x
13
24.5, 28.5, 32.5 and c = 34
12
Airline A : 325, 650, 975, 1300
Airline B: 375, 675, 975, 1275