Write an equation that describes the pattern.

Input (a) 7 10 13 16 19 22
Output (b) 9 12 15

a − 2 = b

a + 3 = b

a + b = 2

a + 2 = b

Find the next three numbers in the pattern

Input (m) 60 50 40 30 20 10
Output (n) 50 40 30

20, 30, 40

60, 50, 40

20, 10, 0

20, 15, 10

Find the next three numbers in the pattern.

Input (j) 48 42 36 30 24 18
Output (k) 54 48 42

48, 54, 60

34, 26, 14

36, 30, 24

38, 34, 30

Find the next three numbers in the pattern.

Input (x) 27 25 23 21 19 17
Output (y) 24 22 20

18, 16, 14

18, 20, 22

19, 18, 17

18, 14, 10

The amounts the cafeteria collects serving lunch are shown. How much would the cafeteria collect for serving 30, 40, and 50 students lunch?

Students Amount
10 $30
20 $60
30
40
50

$90, $130, $160

$70, $80, $90

$90, $120, $150

$70, $90, $110